Commit Graph

952 Commits

Author SHA1 Message Date
Alan Stern
5b67b31503 usb-storage: Add unusual-devs entry for VL817 USB-SATA bridge
Two people have reported (and mentioned numerous other reports on the
web) that VIA's VL817 USB-SATA bridge does not work with the uas
driver.  Typical log messages are:

[ 3606.232149] sd 14:0:0:0: [sdg] tag#2 uas_zap_pending 0 uas-tag 1 inflight: CMD
[ 3606.232154] sd 14:0:0:0: [sdg] tag#2 CDB: Write(16) 8a 00 00 00 00 00 18 0c c9 80 00 00 00 80 00 00
[ 3606.306257] usb 4-4.4: reset SuperSpeed Plus Gen 2x1 USB device number 11 using xhci_hcd
[ 3606.328584] scsi host14: uas_eh_device_reset_handler success

Surprisingly, the devices do seem to work okay for some other people.
The cause of the differing behaviors is not known.

In the hope of getting the devices to work for the most users, even at
the possible cost of degraded performance for some, this patch adds an
unusual_devs entry for the VL817 to block it from binding to the uas
driver by default.  Users will be able to override this entry by means
of a module parameter, if they want.

CC: <stable@vger.kernel.org>
Reported-by: DocMAX <mail@vacharakis.de>
Reported-and-tested-by: Thomas Weißschuh <linux@weissschuh.net>
Signed-off-by: Alan Stern <stern@rowland.harvard.edu>
Link: https://lore.kernel.org/r/Ye8IsK2sjlEv1rqU@rowland.harvard.edu
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2022-01-25 18:42:52 +01:00
Linus Torvalds
57ea81971b USB/Thunderbolt changes for 5.17-rc1
Here is the big set of USB and Thunderbolt driver changes for 5.17-rc1.
 
 Nothing major in here, just lots of little updates and cleanups.  These
 include:
 	- some USB header fixes picked from Ingo's header-splitup work
 	- more USB4/Thunderbolt hardware support added
 	- USB gadget driver updates and additions
 	- USB typec additions (includes some acpi changes, which were
 	  acked by the ACPI maintainer)
 	- core USB fixes as found by syzbot that were too late for
 	  5.16-final
 	- USB dwc3 driver updates
 	- USB dwc2 driver updates
 	- platform_get_irq() conversions of some USB drivers
 	- other minor USB driver updates and additions
 
 All of these have been in linux-next for a while with no reported
 issues.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'usb-5.17-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb

Pull USB and Thunderbolt updates from Greg KH:
 "Here is the big set of USB and Thunderbolt driver changes for
  5.17-rc1.

  Nothing major in here, just lots of little updates and cleanups. These
  include:

   - some USB header fixes picked from Ingo's header-splitup work

   - more USB4/Thunderbolt hardware support added

   - USB gadget driver updates and additions

   - USB typec additions (includes some acpi changes, which were acked
     by the ACPI maintainer)

   - core USB fixes as found by syzbot that were too late for 5.16-final

   - USB dwc3 driver updates

   - USB dwc2 driver updates

   - platform_get_irq() conversions of some USB drivers

   - other minor USB driver updates and additions

  All of these have been in linux-next for a while with no reported
  issues"

* tag 'usb-5.17-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: (111 commits)
  docs: ABI: fixed formatting in configfs-usb-gadget-uac2
  usb: gadget: u_audio: Subdevice 0 for capture ctls
  usb: gadget: u_audio: fix calculations for small bInterval
  usb: dwc2: gadget: initialize max_speed from params
  usb: dwc2: do not gate off the hardware if it does not support clock gating
  usb: dwc3: qcom: Fix NULL vs IS_ERR checking in dwc3_qcom_probe
  headers/deps: USB: Optimize <linux/usb/ch9.h> dependencies, remove <linux/device.h>
  USB: common: debug: add needed kernel.h include
  headers/prep: Fix non-standard header section: drivers/usb/host/ohci-tmio.c
  headers/prep: Fix non-standard header section: drivers/usb/cdns3/core.h
  headers/prep: usb: gadget: Fix namespace collision
  USB: core: Fix bug in resuming hub's handling of wakeup requests
  USB: Fix "slab-out-of-bounds Write" bug in usb_hcd_poll_rh_status
  usb: dwc3: dwc3-qcom: Add missing platform_device_put() in dwc3_qcom_acpi_register_core
  usb: gadget: clear related members when goto fail
  usb: gadget: don't release an existing dev->buf
  usb: dwc2: Simplify a bitmap declaration
  usb: Remove usb_for_each_port()
  usb: typec: port-mapper: Convert to the component framework
  usb: Link the ports to the connectors they are attached to
  ...
2022-01-12 11:27:57 -08:00
luo penghao
3254a73fb2 usb-storage: Remove redundant assignments
The assignments in these two places will be overwritten, so they
should be deleted.

The clang_analyzer complains as follows:

drivers/usb/storage/sierra_ms.c:

Value stored to 'retries' is never read
Value stored to 'result' is never read

Reported-by: Zeal Robot <zealci@zte.com.cn>
Signed-off-by: luo penghao <luo.penghao@zte.com.cn>
Link: https://lore.kernel.org/r/20211230063819.586428-1-luo.penghao@zte.com.cn
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2021-12-30 12:10:17 +01:00
Christoph Hellwig
f3fa33acca block: remove the ->rq_disk field in struct request
Just use the disk attached to the request_queue instead.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Chaitanya Kulkarni <kch@nvidia.com>
Reviewed-by: Martin K. Petersen <martin.petersen@oracle.com>
Link: https://lore.kernel.org/r/20211126121802.2090656-4-hch@lst.de
Signed-off-by: Jens Axboe <axboe@kernel.dk>
2021-11-29 06:41:29 -07:00
Linus Torvalds
fe91c4725a SCSI misc on 20211105
This series consists of the usual driver updates (ufs, smartpqi, lpfc,
 target, megaraid_sas, hisi_sas, qla2xxx) and minor updates and bug
 fixes.  Notable core changes are the removal of scsi->tag which caused
 some churn in obsolete drivers and a sweep through all drivers to call
 scsi_done() directly instead of scsi->done() which removes a pointer
 indirection from the hot path and a move to register core sysfs files
 earlier, which means they're available to KOBJ_ADD processing, which
 necessitates switching all drivers to using attribute groups.
 
 Signed-off-by: James E.J. Bottomley <jejb@linux.ibm.com>
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Merge tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi

Pull SCSI updates from James Bottomley:
 "This consists of the usual driver updates (ufs, smartpqi, lpfc,
  target, megaraid_sas, hisi_sas, qla2xxx) and minor updates and bug
  fixes.

  Notable core changes are the removal of scsi->tag which caused some
  churn in obsolete drivers and a sweep through all drivers to call
  scsi_done() directly instead of scsi->done() which removes a pointer
  indirection from the hot path and a move to register core sysfs files
  earlier, which means they're available to KOBJ_ADD processing, which
  necessitates switching all drivers to using attribute groups"

* tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi: (279 commits)
  scsi: lpfc: Update lpfc version to 14.0.0.3
  scsi: lpfc: Allow fabric node recovery if recovery is in progress before devloss
  scsi: lpfc: Fix link down processing to address NULL pointer dereference
  scsi: lpfc: Allow PLOGI retry if previous PLOGI was aborted
  scsi: lpfc: Fix use-after-free in lpfc_unreg_rpi() routine
  scsi: lpfc: Correct sysfs reporting of loop support after SFP status change
  scsi: lpfc: Wait for successful restart of SLI3 adapter during host sg_reset
  scsi: lpfc: Revert LOG_TRACE_EVENT back to LOG_INIT prior to driver_resource_setup()
  scsi: ufs: ufshcd-pltfrm: Fix memory leak due to probe defer
  scsi: ufs: mediatek: Avoid sched_clock() misuse
  scsi: mpt3sas: Make mpt3sas_dev_attrs static
  scsi: scsi_transport_sas: Add 22.5 Gbps link rate definitions
  scsi: target: core: Stop using bdevname()
  scsi: aha1542: Use memcpy_{from,to}_bvec()
  scsi: sr: Add error handling support for add_disk()
  scsi: sd: Add error handling support for add_disk()
  scsi: target: Perform ALUA group changes in one step
  scsi: target: Replace lun_tg_pt_gp_lock with rcu in I/O path
  scsi: target: Fix alua_tg_pt_gps_count tracking
  scsi: target: Fix ordered tag handling
  ...
2021-11-05 08:42:02 -07:00
James Buren
05c8f1b67e usb-storage: Add compatibility quirk flags for iODD 2531/2541
These drive enclosures have firmware bugs that make it impossible to mount
a new virtual ISO image after Linux ejects the old one if the device is
locked by Linux. Windows bypasses this problem by the fact that they do
not lock the device. Add a quirk to disable device locking for these
drive enclosures.

Acked-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: James Buren <braewoods+lkml@braewoods.net>
Cc: stable <stable@vger.kernel.org>
Link: https://lore.kernel.org/r/20211014015504.2695089-1-braewoods+lkml@braewoods.net
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2021-10-18 17:05:34 +02:00
Bart Van Assche
01e570feba scsi: usb: Switch to attribute groups
struct device supports attribute groups directly but does not support
struct device_attribute directly. Hence switch to attribute groups.

Link: https://lore.kernel.org/r/20211012233558.4066756-46-bvanassche@acm.org
Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Bart Van Assche <bvanassche@acm.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2021-10-16 21:45:59 -04:00
Bart Van Assche
af049dfd0b scsi: core: Remove the 'done' argument from SCSI queuecommand_lck functions
The DEF_SCSI_QCMD() macro passes the addresses of the SCSI host lock and
also that of the scsi_done function to the queuecommand_lck() function
implementations. Remove the 'scsi_done' argument since its address is
now a constant and instead call 'scsi_done' directly from inside the
queuecommand_lck() functions.

Link: https://lore.kernel.org/r/20211007204618.2196847-14-bvanassche@acm.org
Signed-off-by: Bart Van Assche <bvanassche@acm.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2021-10-16 21:32:16 -04:00
Bart Van Assche
46c97948e9 scsi: usb: Call scsi_done() directly
Conditional statements are faster than indirect calls. Hence call
scsi_done() directly.

Link: https://lore.kernel.org/r/20211007204618.2196847-10-bvanassche@acm.org
Signed-off-by: Bart Van Assche <bvanassche@acm.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2021-10-16 21:31:43 -04:00
Ondrej Zary
b55d37ef6b usb-storage: Add quirk for ScanLogic SL11R-IDE older than 2.6c
ScanLogic SL11R-IDE with firmware older than 2.6c (the latest one) has
broken tag handling, preventing the device from working at all:
usb 1-1: new full-speed USB device number 2 using uhci_hcd
usb 1-1: New USB device found, idVendor=04ce, idProduct=0002, bcdDevice= 2.60
usb 1-1: New USB device strings: Mfr=1, Product=1, SerialNumber=0
usb 1-1: Product: USB Device
usb 1-1: Manufacturer: USB Device
usb-storage 1-1:1.0: USB Mass Storage device detected
scsi host2: usb-storage 1-1:1.0
usbcore: registered new interface driver usb-storage
usb 1-1: reset full-speed USB device number 2 using uhci_hcd
usb 1-1: reset full-speed USB device number 2 using uhci_hcd
usb 1-1: reset full-speed USB device number 2 using uhci_hcd
usb 1-1: reset full-speed USB device number 2 using uhci_hcd

Add US_FL_BULK_IGNORE_TAG to fix it. Also update my e-mail address.

2.6c is the only firmware that claims Linux compatibility.
The firmware can be upgraded using ezotgdbg utility:
https://github.com/asciilifeform/ezotgdbg

Acked-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Ondrej Zary <linux@zary.sk>
Cc: stable <stable@vger.kernel.org>
Link: https://lore.kernel.org/r/20210913210106.12717-1-linux@zary.sk
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2021-09-21 16:37:52 +02:00
Julian Sikorski
ce1c42b4da Re-enable UAS for LaCie Rugged USB3-FW with fk quirk
Further testing has revealed that LaCie Rugged USB3-FW does work with
uas as long as US_FL_NO_REPORT_OPCODES and US_FL_NO_SAME are enabled.

Link: https://lore.kernel.org/linux-usb/2167ea48-e273-a336-a4e0-10a4e883e75e@redhat.com/
Cc: stable <stable@vger.kernel.org>
Suggested-by: Hans de Goede <hdegoede@redhat.com>
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Acked-by: Oliver Neukum <oneukum@suse.com>
Signed-off-by: Julian Sikorski <belegdol+github@gmail.com>
Link: https://lore.kernel.org/r/20210913181454.7365-1-belegdol+github@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2021-09-21 16:37:26 +02:00
Linus Torvalds
a9c9a6f741 SCSI misc on 20210902
This series consists of the usual driver updates (ufs, qla2xxx,
 target, smartpqi, lpfc, mpt3sas).  The core change causing the most
 churn was replacing the command request field request with a macro,
 allowing us to offset map to it and remove the redundant field; the
 same was also done for the tag field.  The most impactful change is
 the final removal of scsi_ioctl, which has been deprecated for over a
 decade.
 
 Signed-off-by: James E.J. Bottomley <jejb@linux.ibm.com>
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Merge tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi

Pull SCSI updates from James Bottomley:
 "This series consists of the usual driver updates (ufs, qla2xxx,
  target, smartpqi, lpfc, mpt3sas).

  The core change causing the most churn was replacing the command
  request field request with a macro, allowing us to offset map to it
  and remove the redundant field; the same was also done for the tag
  field.

  The most impactful change is the final removal of scsi_ioctl, which
  has been deprecated for over a decade"

* tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi: (293 commits)
  scsi: ufs: Fix ufshcd_request_sense_async() for Samsung KLUFG8RHDA-B2D1
  scsi: ufs: ufs-exynos: Fix static checker warning
  scsi: mpt3sas: Use the proper SCSI midlayer interfaces for PI
  scsi: lpfc: Use the proper SCSI midlayer interfaces for PI
  scsi: lpfc: Copyright updates for 14.0.0.1 patches
  scsi: lpfc: Update lpfc version to 14.0.0.1
  scsi: lpfc: Add bsg support for retrieving adapter cmf data
  scsi: lpfc: Add cmf_info sysfs entry
  scsi: lpfc: Add debugfs support for cm framework buffers
  scsi: lpfc: Add support for maintaining the cm statistics buffer
  scsi: lpfc: Add rx monitoring statistics
  scsi: lpfc: Add support for the CM framework
  scsi: lpfc: Add cmfsync WQE support
  scsi: lpfc: Add support for cm enablement buffer
  scsi: lpfc: Add cm statistics buffer support
  scsi: lpfc: Add EDC ELS support
  scsi: lpfc: Expand FPIN and RDF receive logging
  scsi: lpfc: Add MIB feature enablement support
  scsi: lpfc: Add SET_HOST_DATA mbox cmd to pass date/time info to firmware
  scsi: fc: Add EDC ELS definition
  ...
2021-09-02 15:09:46 -07:00
Bart Van Assche
9c4a6d5281 scsi: usb-storage: Use scsi_cmd_to_rq() instead of scsi_cmnd.request
Prepare for removal of the request pointer by using scsi_cmd_to_rq()
instead. This patch does not change any functionality.

Link: https://lore.kernel.org/r/20210809230355.8186-52-bvanassche@acm.org
Acked-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Bart Van Assche <bvanassche@acm.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2021-08-11 22:25:42 -04:00
Julian Sikorski
6abf2fe6b4 USB: usb-storage: Add LaCie Rugged USB3-FW to IGNORE_UAS
LaCie Rugged USB3-FW appears to be incompatible with UAS. It generates
errors like:
[ 1151.582598] sd 14:0:0:0: tag#16 uas_eh_abort_handler 0 uas-tag 1 inflight: IN
[ 1151.582602] sd 14:0:0:0: tag#16 CDB: Report supported operation codes a3 0c 01 12 00 00 00 00 02 00 00 00
[ 1151.588594] scsi host14: uas_eh_device_reset_handler start
[ 1151.710482] usb 2-4: reset SuperSpeed Gen 1 USB device number 2 using xhci_hcd
[ 1151.741398] scsi host14: uas_eh_device_reset_handler success
[ 1181.785534] scsi host14: uas_eh_device_reset_handler start

Signed-off-by: Julian Sikorski <belegdol+github@gmail.com>
Cc: stable <stable@vger.kernel.org>
Link: https://lore.kernel.org/r/20210720171910.36497-1-belegdol+github@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2021-07-21 09:15:45 +02:00
Hannes Reinecke
464a00c9e0 scsi: core: Kill DRIVER_SENSE
Replace the check for DRIVER_SENSE with a check for
scsi_status_is_check_condition().

Audit all callsites to ensure the SAM status is set correctly. For
backwards compability move the DRIVER_SENSE definition to sg.h, and update
sg, bsg, and scsi_ioctl to set the DRIVER_SENSE driver_status whenever
SAM_STAT_CHECK_CONDITION is present.

[mkp: fix zeroday srp warning]

Link: https://lore.kernel.org/r/20210427083046.31620-10-hare@suse.de
Signed-off-by: Hannes Reinecke <hare@suse.de>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>

fix
2021-05-31 22:48:21 -04:00
Colin Ian King
95dbac94da usb: storage: datafab: remove redundant assignment of variable result
The variable result is being assigned with a value that is
never read, the assignment is redundant and can be removed.

Acked-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Addresses-Coverity: ("Unused value")
Link: https://lore.kernel.org/r/20210420113818.378478-1-colin.king@canonical.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2021-04-22 10:52:10 +02:00
Alan Stern
546aa0e4ea usb-storage: Add quirk to defeat Kindle's automatic unload
Matthias reports that the Amazon Kindle automatically removes its
emulated media if it doesn't receive another SCSI command within about
one second after a SYNCHRONIZE CACHE.  It does so even when the host
has sent a PREVENT MEDIUM REMOVAL command.  The reason for this
behavior isn't clear, although it's not hard to make some guesses.

At any rate, the results can be unexpected for anyone who tries to
access the Kindle in an unusual fashion, and in theory they can lead
to data loss (for example, if one file is closed and synchronized
while other files are still in the middle of being written).

To avoid such problems, this patch creates a new usb-storage quirks
flag telling the driver always to issue a REQUEST SENSE following a
SYNCHRONIZE CACHE command, and adds an unusual_devs entry for the
Kindle with the flag set.  This is sufficient to prevent the Kindle
from doing its automatic unload, without interfering with proper
operation.

Another possible way to deal with this would be to increase the
frequency of TEST UNIT READY polling that the kernel normally carries
out for removable-media storage devices.  However that would increase
the overall load on the system and it is not as reliable, because the
user can override the polling interval.  Changing the driver's
behavior is safer and has minimal overhead.

CC: <stable@vger.kernel.org>
Reported-and-tested-by: Matthias Schwarzott <zzam@gentoo.org>
Signed-off-by: Alan Stern <stern@rowland.harvard.edu>
Link: https://lore.kernel.org/r/20210317190654.GA497856@rowland.harvard.edu
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2021-03-17 21:30:15 +01:00
Thinh Nguyen
96ebc9c871 usb: uas: Add PNY USB Portable SSD to unusual_uas
Here's another variant PNY Pro Elite USB 3.1 Gen 2 portable SSD that
hangs and doesn't respond to ATA_1x pass-through commands. If it doesn't
support these commands, it should respond properly to the host. Add it
to the unusual uas list to be able to move forward with other
operations.

Cc: stable@vger.kernel.org
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Acked-by: Oliver Neukum <oneukum@suse.com>
Signed-off-by: Thinh Nguyen <Thinh.Nguyen@synopsys.com>
Link: https://lore.kernel.org/r/2edc7af892d0913bf06f5b35e49ec463f03d5ed8.1609819418.git.Thinh.Nguyen@synopsys.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2021-01-05 14:05:10 +01:00
Oliver Neukum
8010622c86 USB: UAS: introduce a quirk to set no_write_same
UAS does not share the pessimistic assumption storage is making that
devices cannot deal with WRITE_SAME.  A few devices supported by UAS,
are reported to not deal well with WRITE_SAME. Those need a quirk.

Add it to the device that needs it.

Reported-by: David C. Partridge <david.partridge@perdrix.co.uk>
Signed-off-by: Oliver Neukum <oneukum@suse.com>
Cc: stable <stable@vger.kernel.org>
Link: https://lore.kernel.org/r/20201209152639.9195-1-oneukum@suse.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2020-12-09 20:00:26 +01:00
Greg Kroah-Hartman
93837812a5 Merge 5.10-rc7 into usb-next
We want the USB fixes in here as well.

Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2020-12-07 10:20:51 +01:00
Greg Kroah-Hartman
97ad4a77f2 Revert "usb-storage: fix sdev->host->dma_dev"
This reverts commit 0154012f80 as Hans
reports it causes problems on some systems.  Until a "real" fix for this
can be found, revert this change to get normal functionality back.

Link: https://lore.kernel.org/r/70ca74c2-4a80-e25b-eca9-a63a75516673@redhat.com
Cc: Tom Yan <tom.ty89@gmail.com>
Cc: Alan Stern <stern@rowland.harvard.edu>
Tested-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2020-12-04 16:01:23 +01:00
Greg Kroah-Hartman
d5c65d32dc Revert "uas: fix sdev->host->dma_dev"
This reverts commit 558033c282 as Hans
reports it causes problems on some systems.  Until a "real" fix for this
can be found, revert this change to get normal functionality back.

Link: https://lore.kernel.org/r/70ca74c2-4a80-e25b-eca9-a63a75516673@redhat.com
Cc: Tom Yan <tom.ty89@gmail.com>
Cc: Alan Stern <stern@rowland.harvard.edu>
Tested-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2020-12-04 16:00:34 +01:00
Greg Kroah-Hartman
da881ded10 Revert "uas: bump hw_max_sectors to 2048 blocks for SS or faster drives"
This reverts commit 5df7ef7d32 as Hans
reports it causes problems on some systems.  Until a "real" fix for this
can be found, revert this change to get normal functionality back.

Link: https://lore.kernel.org/r/70ca74c2-4a80-e25b-eca9-a63a75516673@redhat.com
Cc: Tom Yan <tom.ty89@gmail.com>
Cc: Alan Stern <stern@rowland.harvard.edu>
Tested-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2020-12-04 15:59:27 +01:00
Gustavo A. R. Silva
93c747ed00 usb: Fix fall-through warnings for Clang
In preparation to enable -Wimplicit-fallthrough for Clang, fix multiple
warnings by explicitly adding multiple break/return/fallthrough
statements instead of letting the code fall through to the next
case.

Link: https://github.com/KSPP/linux/issues/115
Signed-off-by: Gustavo A. R. Silva <gustavoars@kernel.org>
Link: https://lore.kernel.org/r/a76da7ca5b4f41c13d27b298accb8222d0b04e61.1605896060.git.gustavoars@kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2020-11-23 17:46:01 +01:00
Lukas Bulwahn
6a6516c024 USB: storage: avoid use of uninitialized values in error path
When usb_stor_bulk_transfer_sglist() returns with USB_STOR_XFER_ERROR, it
returns without writing to its parameter *act_len.

Further, the two callers of usb_stor_bulk_transfer_sglist():

    usb_stor_bulk_srb() and
    usb_stor_bulk_transfer_sg(),

use the passed variable partial without checking the return value. Hence,
the uninitialized value of partial is then used in the further execution
of those two functions.

Clang-analyzer detects this potential control and data flow and warns:

  drivers/usb/storage/transport.c:469:40:
    warning: The right operand of '-' is a garbage value
    [clang-analyzer-core.UndefinedBinaryOperatorResult]
          scsi_set_resid(srb, scsi_bufflen(srb) - partial);
                                                ^

  drivers/usb/storage/transport.c:495:15:
    warning: Assigned value is garbage or undefined
    [clang-analyzer-core.uninitialized.Assign]
                  length_left -= partial;
                              ^

When a transfer error occurs, the *act_len value is probably ignored by the
higher layers. But it won't hurt to set it to a valid number, just in case.

For the two early-return paths in usb_stor_bulk_transfer_sglist(), the
amount of data transferred is 0.  So if act_len is not NULL, set *act_len
to 0 in those paths. That makes clang-analyzer happy.

Proposal was discussed in this mail thread:
	https://lore.kernel.org/linux-usb/alpine.DEB.2.21.2011112146110.13119@felia/

Reviewed-by: Nathan Chancellor <natechancellor@gmail.com>
Acked-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Lukas Bulwahn <lukas.bulwahn@gmail.com>
Link: https://lore.kernel.org/r/20201112191255.13372-1-lukas.bulwahn@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2020-11-13 15:21:53 +01:00
Tom Rix
e9b0c20441 usb: storage: freecom: remove unneeded break
A break is not needed if it is preceded by a return.

Signed-off-by: Tom Rix <trix@redhat.com>
Link: https://lore.kernel.org/r/20201026190457.1428516-1-trix@redhat.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2020-10-28 12:22:50 +01:00
Oliver Neukum
8036a7e7da USB: UAS: use macro for reporting results
The SCSI layer has introduced a new macro for recording the result
of a command. Use it.

Signed-off-by: Oliver Neukum <oneukum@suse.com>
Link: https://lore.kernel.org/r/20200916094026.30085-3-oneukum@suse.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2020-09-16 12:43:35 +02:00
Oliver Neukum
eb2a86ae8c USB: UAS: fix disconnect by unplugging a hub
The SCSI layer can go into an ugly loop if you ignore that a device is
gone. You need to report an error in the command rather than in the
return value of the queue method.

We need to specifically check for ENODEV. The issue goes back to the
introduction of the driver.

Fixes: 115bb1ffa5 ("USB: Add UAS driver")
Signed-off-by: Oliver Neukum <oneukum@suse.com>
Link: https://lore.kernel.org/r/20200916094026.30085-2-oneukum@suse.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2020-09-16 12:43:24 +02:00
Tom Yan
5df7ef7d32 uas: bump hw_max_sectors to 2048 blocks for SS or faster drives
There's no reason for uas to use a smaller value of max_sectors than
usb-storage.

Signed-off-by: Tom Yan <tom.ty89@gmail.com>
Reviewed-by: Alan Stern <stern@rowland.harvard.edu>
Link: https://lore.kernel.org/r/20200903181725.2931-3-tom.ty89@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2020-09-04 17:00:39 +02:00
Tom Yan
558033c282 uas: fix sdev->host->dma_dev
Use scsi_add_host_with_dma() instead of scsi_add_host().

When the scsi request queue is initialized/allocated, hw_max_sectors is clamped
to the dma max mapping size. Therefore, the correct device that should be used
for the clamping needs to be set.

The same clamping is still needed in uas as hw_max_sectors could be changed
there. The original clamping would be invalidated in such cases.

Signed-off-by: Tom Yan <tom.ty89@gmail.com>
Reviewed-by: Alan Stern <stern@rowland.harvard.edu>
Link: https://lore.kernel.org/r/20200903181725.2931-2-tom.ty89@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2020-09-04 17:00:39 +02:00
Tom Yan
0154012f80 usb-storage: fix sdev->host->dma_dev
Use scsi_add_host_with_dma() instead of scsi_add_host().

When the scsi request queue is initialized/allocated, hw_max_sectors is clamped
to the dma max mapping size. Therefore, the correct device that should be used
for the clamping needs to be set.

The same clamping is still needed in usb-storage as hw_max_sectors could be
changed there. The original clamping would be invalidated in such cases.

Signed-off-by: Tom Yan <tom.ty89@gmail.com>
Reviewed-by: Alan Stern <stern@rowland.harvard.edu>
Link: https://lore.kernel.org/r/20200903181725.2931-1-tom.ty89@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2020-09-04 17:00:38 +02:00
Greg Kroah-Hartman
5fedf0d295 Linux 5.9-rc3
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Merge 5.9-rc3 into usb-next

We want the USB fixes in here as well.

Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2020-08-31 07:11:45 +02:00
Linus Torvalds
6f0306d1bf USB fixes for 5.9-rc3 - take 2
Let's try this again...  Here are some USB fixes for 5.9-rc3.
 
 This differs from the previous pull request for this release in that:
 	- the usb gadget patch now does not break some systems, and
 	  actually does what it was intended to do.  Many thanks to
 	  Marek Szyprowski for quickly noticing and testing the patch
 	  from Andy Shevchenko to resolve this issue.
 	- some more new USB quirks have been added to get some new
 	  devices to work properly based on user reports.
 
 Other than that, the original pull request patches are all here, and
 they contain:
 	- usb gadget driver fixes
 	- xhci driver fixes
 	- typec fixes
 	- new quirks and ids
 	- fixes for USB patches that went into 5.9-rc1.
 
 All of these have been tested in linux-next with no reported issues.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'usb-5.9-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb

Pull USB fixes from Greg KH:
 "Let's try this again...  Here are some USB fixes for 5.9-rc3.

  This differs from the previous pull request for this release in that
  the usb gadget patch now does not break some systems, and actually
  does what it was intended to do. Many thanks to Marek Szyprowski for
  quickly noticing and testing the patch from Andy Shevchenko to resolve
  this issue.

  Additionally, some more new USB quirks have been added to get some new
  devices to work properly based on user reports.

  Other than that, the patches are all here, and they contain:

   - usb gadget driver fixes

   - xhci driver fixes

   - typec fixes

   - new quirks and ids

   - fixes for USB patches that went into 5.9-rc1.

  All of these have been tested in linux-next with no reported issues"

* tag 'usb-5.9-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: (33 commits)
  usb: storage: Add unusual_uas entry for Sony PSZ drives
  USB: Ignore UAS for JMicron JMS567 ATA/ATAPI Bridge
  usb: host: ohci-exynos: Fix error handling in exynos_ohci_probe()
  USB: gadget: u_f: Unbreak offset calculation in VLAs
  USB: quirks: Ignore duplicate endpoint on Sound Devices MixPre-D
  usb: typec: tcpm: Fix Fix source hard reset response for TDA 2.3.1.1 and TDA 2.3.1.2 failures
  USB: PHY: JZ4770: Fix static checker warning.
  USB: gadget: f_ncm: add bounds checks to ncm_unwrap_ntb()
  USB: gadget: u_f: add overflow checks to VLA macros
  xhci: Always restore EP_SOFT_CLEAR_TOGGLE even if ep reset failed
  xhci: Do warm-reset when both CAS and XDEV_RESUME are set
  usb: host: xhci: fix ep context print mismatch in debugfs
  usb: uas: Add quirk for PNY Pro Elite
  tools: usb: move to tools buildsystem
  USB: Fix device driver race
  USB: Also match device drivers using the ->match vfunc
  usb: host: xhci-tegra: fix tegra_xusb_get_phy()
  usb: host: xhci-tegra: otg usb2/usb3 port init
  usb: hcd: Fix use after free in usb_hcd_pci_remove()
  usb: typec: ucsi: Hold con->lock for the entire duration of ucsi_register_port()
  ...
2020-08-30 10:51:03 -07:00
Alan Stern
20934c0de1 usb: storage: Add unusual_uas entry for Sony PSZ drives
The PSZ-HA* family of USB disk drives from Sony can't handle the
REPORT OPCODES command when using the UAS protocol.  This patch adds
an appropriate quirks entry.

Reported-and-tested-by: Till Dörges <doerges@pre-sense.de>
Signed-off-by: Alan Stern <stern@rowland.harvard.edu>
CC: <stable@vger.kernel.org>
Link: https://lore.kernel.org/r/20200826143229.GB400430@rowland.harvard.edu
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2020-08-28 09:23:16 +02:00
Cyril Roelandt
9aa37788e7 USB: Ignore UAS for JMicron JMS567 ATA/ATAPI Bridge
This device does not support UAS properly and a similar entry already
exists in drivers/usb/storage/unusual_uas.h. Without this patch,
storage_probe() defers the handling of this device to UAS, which cannot
handle it either.

Tested-by: Brice Goglin <brice.goglin@gmail.com>
Fixes: bc3bdb12bb ("usb-storage: Disable UAS on JMicron SATA enclosure")
Acked-by: Alan Stern <stern@rowland.harvard.edu>
CC: <stable@vger.kernel.org>
Signed-off-by: Cyril Roelandt <tipecaml@gmail.com>
Link: https://lore.kernel.org/r/20200825212231.46309-1-tipecaml@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2020-08-27 09:26:00 +02:00
Gustavo A. R. Silva
df561f6688 treewide: Use fallthrough pseudo-keyword
Replace the existing /* fall through */ comments and its variants with
the new pseudo-keyword macro fallthrough[1]. Also, remove unnecessary
fall-through markings when it is the case.

[1] https://www.kernel.org/doc/html/v5.7/process/deprecated.html?highlight=fallthrough#implicit-switch-case-fall-through

Signed-off-by: Gustavo A. R. Silva <gustavoars@kernel.org>
2020-08-23 17:36:59 -05:00
Thinh Nguyen
9a469bc9f3 usb: uas: Add quirk for PNY Pro Elite
PNY Pro Elite USB 3.1 Gen 2 device (SSD) doesn't respond to ATA_12
pass-through command (i.e. it just hangs). If it doesn't support this
command, it should respond properly to the host. Let's just add a quirk
to be able to move forward with other operations.

Cc: stable@vger.kernel.org
Signed-off-by: Thinh Nguyen <thinhn@synopsys.com>
Link: https://lore.kernel.org/r/2b0585228b003eedcc82db84697b31477df152e0.1597803605.git.thinhn@synopsys.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2020-08-19 14:12:37 +02:00
Colin Ian King
1100395dc4 USB: storage: isd200: fix spelling mistake "removeable" -> "removable"
There is a spelling mistake in a usb_stor_dbg debug message. Fix it.

Signed-off-by: Colin Ian King <colin.king@canonical.com>
Acked-by: Alan Stern <stern@rowland.harvard.edu>
Link: https://lore.kernel.org/r/20200810083211.48282-1-colin.king@canonical.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2020-08-18 12:12:54 +02:00
Linus Torvalds
ecfd7940b8 USB/Thunderbolt patches for 5.9-rc1
Here is the large set of USB and Thunderbolt patches for 5.9-rc1.
 
 Nothing really magic/major in here, just lots of little changes and
 updates:
 	- clean up language usages in USB core and some drivers
 	- Thunderbolt driver updates and additions
 	- USB Gadget driver updates
 	- dwc3 driver updates (like always...)
 	- build with "W=1" warning fixups
 	- mtu3 driver updates
 	- usb-serial driver updates and device ids
 	- typec additions and updates for new hardware
 	- xhci debug code updates for future platforms
 	- cdns3 driver updates
 	- lots of other minor driver updates and fixes and cleanups
 
 All of these have been in linux-next for a while with no reported
 issues.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'usb-5.9-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb

Pull USB/Thunderbolt updates from Greg KH:
 "Here is the large set of USB and Thunderbolt patches for 5.9-rc1.

  Nothing really magic/major in here, just lots of little changes and
  updates:

   - clean up language usages in USB core and some drivers

   - Thunderbolt driver updates and additions

   - USB Gadget driver updates

   - dwc3 driver updates (like always...)

   - build with "W=1" warning fixups

   - mtu3 driver updates

   - usb-serial driver updates and device ids

   - typec additions and updates for new hardware

   - xhci debug code updates for future platforms

   - cdns3 driver updates

   - lots of other minor driver updates and fixes and cleanups

  All of these have been in linux-next for a while with no reported
  issues"

* tag 'usb-5.9-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: (330 commits)
  usb: common: usb-conn-gpio: Register charger
  usb: mtu3: simplify mtu3_req_complete()
  usb: mtu3: clear dual mode of u3port when disable device
  usb: mtu3: use MTU3_EP_WEDGE flag
  usb: mtu3: remove useless member @busy in mtu3_ep struct
  usb: mtu3: remove repeated error log
  usb: mtu3: add ->udc_set_speed()
  usb: mtu3: introduce a funtion to check maximum speed
  usb: mtu3: clear interrupts status when disable interrupts
  usb: mtu3: reinitialize CSR registers
  usb: mtu3: fix macro for maximum number of packets
  usb: mtu3: remove unnecessary pointer checks
  usb: xhci: Fix ASMedia ASM1142 DMA addressing
  usb: xhci: define IDs for various ASMedia host controllers
  usb: musb: convert to devm_platform_ioremap_resource_byname
  usb: gadget: tegra-xudc: convert to devm_platform_ioremap_resource_byname
  usb: gadget: r8a66597: convert to devm_platform_ioremap_resource_byname
  usb: dwc3: convert to devm_platform_ioremap_resource_byname
  usb: cdns3: convert to devm_platform_ioremap_resource_byname
  usb: phy: am335x: convert to devm_platform_ioremap_resource_byname
  ...
2020-08-05 12:13:10 -07:00
Kees Cook
3f649ab728 treewide: Remove uninitialized_var() usage
Using uninitialized_var() is dangerous as it papers over real bugs[1]
(or can in the future), and suppresses unrelated compiler warnings
(e.g. "unused variable"). If the compiler thinks it is uninitialized,
either simply initialize the variable or make compiler changes.

In preparation for removing[2] the[3] macro[4], remove all remaining
needless uses with the following script:

git grep '\buninitialized_var\b' | cut -d: -f1 | sort -u | \
	xargs perl -pi -e \
		's/\buninitialized_var\(([^\)]+)\)/\1/g;
		 s:\s*/\* (GCC be quiet|to make compiler happy) \*/$::g;'

drivers/video/fbdev/riva/riva_hw.c was manually tweaked to avoid
pathological white-space.

No outstanding warnings were found building allmodconfig with GCC 9.3.0
for x86_64, i386, arm64, arm, powerpc, powerpc64le, s390x, mips, sparc64,
alpha, and m68k.

[1] https://lore.kernel.org/lkml/20200603174714.192027-1-glider@google.com/
[2] https://lore.kernel.org/lkml/CA+55aFw+Vbj0i=1TGqCR5vQkCzWJ0QxK6CernOU6eedsudAixw@mail.gmail.com/
[3] https://lore.kernel.org/lkml/CA+55aFwgbgqhbp1fkxvRKEpzyR5J8n1vKT1VZdz9knmPuXhOeg@mail.gmail.com/
[4] https://lore.kernel.org/lkml/CA+55aFz2500WfbKXAx8s67wrm9=yVJu65TpLgN_ybYNv0VEOKA@mail.gmail.com/

Reviewed-by: Leon Romanovsky <leonro@mellanox.com> # drivers/infiniband and mlx4/mlx5
Acked-by: Jason Gunthorpe <jgg@mellanox.com> # IB
Acked-by: Kalle Valo <kvalo@codeaurora.org> # wireless drivers
Reviewed-by: Chao Yu <yuchao0@huawei.com> # erofs
Signed-off-by: Kees Cook <keescook@chromium.org>
2020-07-16 12:35:15 -07:00
Alexander A. Klimov
e46d8cb5f1 USB: storage: replace HTTP links with HTTPS ones
Rationale:
Reduces attack surface on kernel devs opening the links for MITM
as HTTPS traffic is much harder to manipulate.

Deterministic algorithm:
For each file:
  If not .svg:
    For each line:
      If doesn't contain `\bxmlns\b`:
        For each link, `\bhttp://[^# \t\r\n]*(?:\w|/)`:
	  If neither `\bgnu\.org/license`, nor `\bmozilla\.org/MPL\b`:
            If both the HTTP and HTTPS versions
            return 200 OK and serve the same content:
              Replace HTTP with HTTPS.

Signed-off-by: Alexander A. Klimov <grandmaster@al2klimov.de>
Link: https://lore.kernel.org/r/20200708184903.17350-1-grandmaster@al2klimov.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2020-07-09 18:06:12 +02:00
Lee Jones
7565fce17d usb: storage: alauda: Remove set but unchecked variable
The return value of alauda_get_media_status() hasn't been checked
since the driver's inception back in 2005.  If nothing have gone
wrong/been detected until this point, it's probably safe to just
remove the variable.

Fixes the following W=1 kernel build warning(s):

 drivers/usb/storage/alauda.c: In function ‘alauda_check_media’:
 drivers/usb/storage/alauda.c:456:6: warning: variable ‘rc’ set but not used [-Wunused-but-set-variable]
 456 | int rc;
 | ^~

Cc: Alan Stern <stern@rowland.harvard.edu>
Cc: Daniel Drake <dsd@gentoo.org>
Cc: usb-storage@lists.one-eyed-alien.net
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Link: https://lore.kernel.org/r/20200703174148.2749969-20-lee.jones@linaro.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2020-07-09 16:46:59 +02:00
Greg Kroah-Hartman
19246d273e USB: storage: scsi: fix up comment to be more specific
Fix up the wording in a comment for the scsi driver saying what it does
using better terminology.

Cc: Alan Stern <stern@rowland.harvard.edu>
Link: https://lore.kernel.org/r/20200618094300.1887727-8-gregkh@linuxfoundation.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2020-06-19 08:58:53 +02:00
Greg Kroah-Hartman
c83a74ed5f USB: storage: fix wording in error message
Make it obvious that the UAS driver is being ignored for a specific
device by fixing up the wording to be more clear.

Cc: Alan Stern <stern@rowland.harvard.edu>
Link: https://lore.kernel.org/r/20200618094300.1887727-7-gregkh@linuxfoundation.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2020-06-19 08:58:51 +02:00
Masahiro Yamada
a7f7f6248d treewide: replace '---help---' in Kconfig files with 'help'
Since commit 84af7a6194 ("checkpatch: kconfig: prefer 'help' over
'---help---'"), the number of '---help---' has been gradually
decreasing, but there are still more than 2400 instances.

This commit finishes the conversion. While I touched the lines,
I also fixed the indentation.

There are a variety of indentation styles found.

  a) 4 spaces + '---help---'
  b) 7 spaces + '---help---'
  c) 8 spaces + '---help---'
  d) 1 space + 1 tab + '---help---'
  e) 1 tab + '---help---'    (correct indentation)
  f) 1 tab + 1 space + '---help---'
  g) 1 tab + 2 spaces + '---help---'

In order to convert all of them to 1 tab + 'help', I ran the
following commend:

  $ find . -name 'Kconfig*' | xargs sed -i 's/^[[:space:]]*---help---/\thelp/'

Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
2020-06-14 01:57:21 +09:00
Hannes Reinecke
c22eb9374c sierra-ms: do not call scsi_get_host_dev()
scsi_get_host_dev() will create a virtual device such that either
the target id is ignored from scanning (if 'this_id' is set to
something which can be reached during scanning) or if the driver
needs a scsi device for the HBA to send commands to.
Neither is true for sierra-ms; 'this_id' remains at the default
value '-1' and the created device is never ever used within
the driver.
So kill it.

Signed-off-by: Hannes Reinecke <hare@suse.de>
Acked-by: Alan Stern <stern@rowland.harvard.edu>
Link: https://lore.kernel.org/r/20200505143019.57418-1-hare@suse.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2020-05-13 14:20:00 +02:00
Greg Kroah-Hartman
2ca23ae59e Merge 5.7-rc5 into usb-next
We want the USB fixes in here too.

Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2020-05-11 08:54:03 +02:00
Oliver Neukum
9f04db234a USB: uas: add quirk for LaCie 2Big Quadra
This device needs US_FL_NO_REPORT_OPCODES to avoid going
through prolonged error handling on enumeration.

Signed-off-by: Oliver Neukum <oneukum@suse.com>
Reported-by: Julian Groß <julian.g@posteo.de>
Cc: stable <stable@vger.kernel.org>
Link: https://lore.kernel.org/r/20200429155218.7308-1-oneukum@suse.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2020-04-30 09:28:43 +02:00
Greg Kroah-Hartman
f6402eb4a2 Merge 5.7-rc3 into usb-next
We need the USB fixes in here too.

Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2020-04-27 09:32:30 +02:00
Nishad Kamdar
59b4e0cd4d USB: Storage: Use the correct style for SPDX License Identifier
This patch corrects the SPDX License Identifier style in
header files related to USB Storage driver configuration.
For C header files Documentation/process/license-rules.rst
mandates C-like comments (opposed to C source files where
C++ style should be used).

Changes made by using a script provided by Joe Perches here:
https://lkml.org/lkml/2019/2/7/46.

Suggested-by: Joe Perches <joe@perches.com>
Signed-off-by: Nishad Kamdar <nishadkamdar@gmail.com>
Link: https://lore.kernel.org/r/20200419131653.GA6611@nishad
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2020-04-23 15:28:14 +02:00