Commit Graph

589738 Commits

Author SHA1 Message Date
Andrew Lunn
9a6f2b0113 net: mdio: Fix lockdep falls positive splat
MDIO devices can be stacked upon each other. The current code supports
two levels, which until recently has been enough for a DSA mdio bus on
top of another bus. Now we have hardware which has an MDIO mux in the
middle.

Define an MDIO MUTEX class with three levels.

Signed-off-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
2016-04-11 21:15:48 -04:00
David S. Miller
7c3da7d0d4 Merge branch 'rprpc-2nd-rewrite-part-1'
David Howells says:

====================
RxRPC: 2nd rewrite part 1

Okay, I'm in the process of rewriting the RxRPC rewrite.  The primary aim of
this second rewrite is to strictly control the number of active connections we
know about and to get rid of connections we don't need much more quickly.

On top of this, there are fixes to the protocol handling which will all occur
in later parts.

Here's the first set of patches from the second go, aimed at net-next.  These
are all fixes and cleanups preparatory to the main event.

Notable parts of this set include:

 (1) A fix for the AFS filesystem to wait for outstanding calls to complete
     before closing the RxRPC socket.

 (2) Differentiation of local and remote abort codes.  At a future point
     userspace will get to see this via control message data on recvmsg().

 (3) Absorb the rxkad module into the af_rxrpc module to prevent a dependency
     loop.

 (4) Create a null security module and unconditionalise calls into the
     security module that's in force (there will always be a security module
     applied to a connection, even if it's just the null one).
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
2016-04-11 15:34:42 -04:00
David Howells
e0e4d82f3b rxrpc: Create a null security type and get rid of conditional calls
Create a null security type for security index 0 and get rid of all
conditional calls to the security operations.  We expect normally to be
using security, so this should be of little negative impact.

Signed-off-by: David Howells <dhowells@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2016-04-11 15:34:41 -04:00
David Howells
648af7fca1 rxrpc: Absorb the rxkad security module
Absorb the rxkad security module into the af_rxrpc module so that there's
only one module file.  This avoids a circular dependency whereby rxkad pins
af_rxrpc and cached connections pin rxkad but can't be manually evicted
(they will expire eventually and cease pinning).

With this change, af_rxrpc can just be unloaded, despite having cached
connections.

Signed-off-by: David Howells <dhowells@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2016-04-11 15:34:41 -04:00
David Howells
6dd050f88d rxrpc: Don't assume transport address family and size when using it
Don't assume transport address family and size when using the peer address
to send a packet.  Instead, use the start of the transport address rather
than any particular element of the union and use the transport address
length noted inside the sockaddr_rxrpc struct.

This will be necessary when IPv6 support is introduced.

Signed-off-by: David Howells <dhowells@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2016-04-11 15:34:41 -04:00
David Howells
843099cac0 rxrpc: Don't pass gfp around in incoming call handling functions
Don't pass gfp around in incoming call handling functions, but rather hard
code it at the points where we actually need it since the value comes from
within the rxrpc driver and is always the same.

Signed-off-by: David Howells <dhowells@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2016-04-11 15:34:41 -04:00
David Howells
dc44b3a09a rxrpc: Differentiate local and remote abort codes in structs
In the rxrpc_connection and rxrpc_call structs, there's one field to hold
the abort code, no matter whether that value was generated locally to be
sent or was received from the peer via an abort packet.

Split the abort code fields in two for cleanliness sake and add an error
field to hold the Linux error number to the rxrpc_call struct too
(sometimes this is generated in a context where we can't return it to
userspace directly).

Furthermore, add a skb mark to indicate a packet that caused a local abort
to be generated so that recvmsg() can pick up the correct abort code.  A
future addition will need to be to indicate to userspace the difference
between aborts via a control message.

Signed-off-by: David Howells <dhowells@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2016-04-11 15:34:40 -04:00
David Howells
5b3e87f19e rxrpc: Static arrays of strings should be const char *const[]
Static arrays of strings should be const char *const[].

Signed-off-by: David Howells <dhowells@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2016-04-11 15:34:40 -04:00
David Howells
8e688d9c16 rxrpc: Move some miscellaneous bits out into their own file
Move some miscellaneous bits out into their own file to make it easier to
split the call handling.

Signed-off-by: David Howells <dhowells@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2016-04-11 15:34:40 -04:00
David Howells
8f7e6e75d3 rxrpc: Disable a debugging statement that has been left enabled.
Disable a debugging statement that has been left enabled

Signed-off-by: David Howells <dhowells@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2016-04-11 15:34:40 -04:00
David Howells
2f02f7aea7 afs: Wait for outstanding async calls before closing rxrpc socket
The afs filesystem needs to wait for any outstanding asynchronous calls
(such as FS.GiveUpCallBacks cleaning up the callbacks lodged with a server)
to complete before closing the AF_RXRPC socket when unloading the module.

This may occur if the module is removed too quickly after unmounting all
filesystems.  This will produce an error report that looks like:

	AFS: Assertion failed
	1 == 0 is false
	0x1 == 0x0 is false
	------------[ cut here ]------------
	kernel BUG at ../fs/afs/rxrpc.c:135!
	...
	RIP: 0010:[<ffffffffa004111c>] afs_close_socket+0xec/0x107 [kafs]
	...
	Call Trace:
	 [<ffffffffa004a160>] afs_exit+0x1f/0x57 [kafs]
	 [<ffffffff810c30a0>] SyS_delete_module+0xec/0x17d
	 [<ffffffff81610417>] entry_SYSCALL_64_fastpath+0x12/0x6b

Signed-off-by: David Howells <dhowells@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2016-04-11 15:34:40 -04:00
David S. Miller
c64a73d584 Merge branch 'udp-pull'
Willem de Bruijn says:

====================
net: fix udp pull header breakage

Commit e6afc8ace6 ("udp: remove headers from UDP packets before
queueing") modified udp receive processing to pull headers before
enqueue and to not expect them on dequeue.

The patch missed protocols on top of udp with in-kernel
implementations that have their own skb_recv_datagram calls and
dequeue logic. Modify these datapaths to also no longer expect
a udp header at skb->data.

Sunrpc and rxrpc are the only two protocols that call this
function and contain references to udphr (some others, like tipc,
are based on encap_rcv, which acts before enqueue, before the
the header pull).
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
2016-04-11 15:31:34 -04:00
Willem de Bruijn
4d0fc73ebe rxrpc: do not pull udp headers on receive
Commit e6afc8ace6 modified the udp receive path by pulling the udp
header before queuing an skbuff onto the receive queue.

Rxrpc also calls skb_recv_datagram to dequeue an skb from a udp
socket. Modify this receive path to also no longer expect udp
headers.

Fixes: e6afc8ace6 ("udp: remove headers from UDP packets before queueing")

Signed-off-by: Willem de Bruijn <willemb@google.com>
Tested-by: Thierry Reding <treding@nvidia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2016-04-11 15:31:33 -04:00
Willem de Bruijn
1da8c681d5 sunrpc: do not pull udp headers on receive
Commit e6afc8ace6 modified the udp receive path by pulling the udp
header before queuing an skbuff onto the receive queue.

Sunrpc also calls skb_recv_datagram to dequeue an skb from a udp
socket. Modify this receive path to also no longer expect udp
headers.

Fixes: e6afc8ace6 ("udp: remove headers from UDP packets before queueing")

Reported-by: Franklin S Cooper Jr. <fcooper@ti.com>
Signed-off-by: Willem de Bruijn <willemb@google.com>
Tested-by: Thierry Reding <treding@nvidia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2016-04-11 15:31:33 -04:00
David Ahern
a6db4494d2 net: ipv4: Consider failed nexthops in multipath routes
Multipath route lookups should consider knowledge about next hops and not
select a hop that is known to be failed.

Example:

                     [h2]                   [h3]   15.0.0.5
                      |                      |
                     3|                     3|
                    [SP1]                  [SP2]--+
                     1  2                   1     2
                     |  |     /-------------+     |
                     |   \   /                    |
                     |     X                      |
                     |    / \                     |
                     |   /   \---------------\    |
                     1  2                     1   2
         12.0.0.2  [TOR1] 3-----------------3 [TOR2] 12.0.0.3
                     4                         4
                      \                       /
                        \                    /
                         \                  /
                          -------|   |-----/
                                 1   2
                                [TOR3]
                                  3|
                                   |
                                  [h1]  12.0.0.1

host h1 with IP 12.0.0.1 has 2 paths to host h3 at 15.0.0.5:

    root@h1:~# ip ro ls
    ...
    12.0.0.0/24 dev swp1  proto kernel  scope link  src 12.0.0.1
    15.0.0.0/16
            nexthop via 12.0.0.2  dev swp1 weight 1
            nexthop via 12.0.0.3  dev swp1 weight 1
    ...

If the link between tor3 and tor1 is down and the link between tor1
and tor2 then tor1 is effectively cut-off from h1. Yet the route lookups
in h1 are alternating between the 2 routes: ping 15.0.0.5 gets one and
ssh 15.0.0.5 gets the other. Connections that attempt to use the
12.0.0.2 nexthop fail since that neighbor is not reachable:

    root@h1:~# ip neigh show
    ...
    12.0.0.3 dev swp1 lladdr 00:02:00:00:00:1b REACHABLE
    12.0.0.2 dev swp1  FAILED
    ...

The failed path can be avoided by considering known neighbor information
when selecting next hops. If the neighbor lookup fails we have no
knowledge about the nexthop, so give it a shot. If there is an entry
then only select the nexthop if the state is sane. This is similar to
what fib_detect_death does.

To maintain backward compatibility use of the neighbor information is
based on a new sysctl, fib_multipath_use_neigh.

Signed-off-by: David Ahern <dsa@cumulusnetworks.com>
Reviewed-by: Julian Anastasov <ja@ssi.bg>
Signed-off-by: David S. Miller <davem@davemloft.net>
2016-04-11 15:16:13 -04:00
David S. Miller
0b0e30c650 Merge branch 'cpsw-host_port'
Grygorii Strashko says:

====================
drivers: net: cpsw: fix ale calls and drop host_port field from cpsw_priv

This clean up series intended to:
 - fix port_mask parameters in ale calls and drop unnecessary shifts
 - drop host_port field from struct cpsw_priv
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
2016-04-11 15:12:00 -04:00
Grygorii Strashko
71a2cbb72a drivers: net: cpsw: drop host_port field from struct cpsw_priv
The host_port field is constantly assigned to 0 and this value has
never changed (since time when cpsw driver was introduced. More over,
if this field will be assigned to non 0 value it will break current
driver functionality.

Hence, there are no reasons to continue maintaining this host_port
field and it can be removed, and the HOST_PORT_NUM and ALE_PORT_HOST
defines can be used instead.

Signed-off-by: Grygorii Strashko <grygorii.strashko@ti.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2016-04-11 15:11:59 -04:00
Grygorii Strashko
61f1cef90a drivers: net: cpsw: fix port_mask parameters in ale calls
ALE APIs expect to receive port masks as input values for arguments
port_mask, untag, reg_mcast, unreg_mcast. But there are few places in
code where port masks are passed left-shifted by cpsw_priv->host_port,
like below:

 cpsw_ale_add_vlan(priv->ale, priv->data.default_vlan,
		  ALE_ALL_PORTS << priv->host_port,
		  ALE_ALL_PORTS << priv->host_port, 0, 0);

and cpsw is still working just because priv->host_port == 0
and has never ever been changed.

Hence, fix port_mask parameters in ALE APIs calls and drop
"<< priv->host_port" from all places where it's used to
shift valid port mask.

Signed-off-by: Grygorii Strashko <grygorii.strashko@ti.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2016-04-11 15:11:59 -04:00
Jiri Benc
61618eeac3 vxlan: fix incorrect type
The protocol is 16bit, not 32bit.

Fixes: e1e5314de0 ("vxlan: implement GPE")
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Jiri Benc <jbenc@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2016-04-11 15:01:56 -04:00
Vaishali Thakkar
e0897ae3ec net: fjes: Use resource_size
Use the function resource_size instead of explicit computation.

Problem found using Coccinelle.

Signed-off-by: Vaishali Thakkar <vaishali.thakkar@oracle.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2016-04-11 15:00:04 -04:00
David S. Miller
3484f44c08 Merge branch 'bnxt_en-next'
Michael Chan says:

====================
bnxt_en: Update for net-next

Misc. changes for link speed and VF MAC address change.
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
2016-04-11 14:58:45 -04:00
Michael Chan
8cbde1175e bnxt_en: Add async event handling for speed config changes.
On some dual port cards, link speeds on both ports have to be compatible.
Firmware will inform the driver when a certain speed is no longer
supported if the other port has linked up at a certain speed.  Add
logic to handle this event by logging a message and getting the
updated list of supported speeds.

Signed-off-by: Michael Chan <michael.chan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2016-04-11 14:58:45 -04:00
Michael Chan
84c33dd342 bnxt_en: Call firmware to approve VF MAC address change.
Some hypervisors (e.g. ESX) require the VF MAC address to be forwarded to
the PF for approval.  In Linux PF, the call is not forwarded and the
firmware will simply check and approve the MAC address if the PF has not
previously administered a valid MAC address for this VF.

Signed-off-by: Michael Chan <michael.chan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2016-04-11 14:58:45 -04:00
Michael Chan
33f7d55f07 bnxt_en: Shutdown link when device is closed.
Let firmware know that the driver is giving up control of the link so that
it can be shutdown if no management firmware is running.

Signed-off-by: Michael Chan <michael.chan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2016-04-11 14:58:44 -04:00
Michael Chan
03efbec031 bnxt_en: Disallow forced speed for 10GBaseT devices.
10GBaseT devices must autonegotiate to determine master/slave clocking.
Disallow forced speed in ethtool .set_settings() for these devices.

Signed-off-by: Michael Chan <michael.chan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2016-04-11 14:58:44 -04:00
David S. Miller
bddf59046d wireless-drivers patches for 4.7
Major changes:
 
 iwlwifi
 
 * support for Link Quality measurement
 * more work 9000 devices and MSIx
 * continuation of the Dynamic Queue Allocation work
 * make the paging less memory hungry
 * 9000 new Rx path
 * removal of IWLWIFI_UAPSD Kconfig option
 
 ath10k
 
 * implement push-pull tx model using mac80211 software queuing support
 * enable scan in AP mode (NL80211_FEATURE_AP_SCAN)
 
 wil6210
 
 * add basic PBSS (Personal Basic Service Set) support
 * add initial P2P support
 * add oob_mode module parameter
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Merge tag 'wireless-drivers-next-for-davem-2016-04-11' of git://git.kernel.org/pub/scm/linux/kernel/git/kvalo/wireless-drivers-next

Kalle Valo says:

====================
wireless-drivers patches for 4.7

Major changes:

iwlwifi

* support for Link Quality measurement
* more work 9000 devices and MSIx
* continuation of the Dynamic Queue Allocation work
* make the paging less memory hungry
* 9000 new Rx path
* removal of IWLWIFI_UAPSD Kconfig option

ath10k

* implement push-pull tx model using mac80211 software queuing support
* enable scan in AP mode (NL80211_FEATURE_AP_SCAN)

wil6210

* add basic PBSS (Personal Basic Service Set) support
* add initial P2P support
* add oob_mode module parameter
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
2016-04-11 11:58:12 -04:00
Alexei Starovoitov
4923ec0b10 bpf: simplify verifier register state assignments
verifier is using the following structure to track the state of registers:
struct reg_state {
    enum bpf_reg_type type;
    union {
        int imm;
        struct bpf_map *map_ptr;
    };
};
and later on in states_equal() does memcmp(&old->regs[i], &cur->regs[i],..)
to find equivalent states.
Throughout the code of verifier there are assignements to 'imm' and 'map_ptr'
fields and it's not obvious that most of the assignments into 'imm' don't
need to clear extra 4 bytes (like mark_reg_unknown_value() does) to make sure
that memcmp doesn't go over junk left from 'map_ptr' assignment.

Simplify the code by converting 'int' into 'long'

Suggested-by: Daniel Borkmann <daniel@iogearbox.net>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Acked-by: Daniel Borkmann <daniel@iogearbox.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
2016-04-10 22:43:18 -04:00
David S. Miller
ae95d71261 Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2016-04-09 17:41:41 -04:00
Eric Dumazet
03c5b53418 ipv6: fix inet6_lookup_listener()
A stupid refactoring bug in inet6_lookup_listener() needs to be fixed
in order to get proper SO_REUSEPORT behavior.

Fixes: 3b24d854cb ("tcp/dccp: do not touch listener sk_refcnt under synflood")
Signed-off-by: Eric Dumazet <edumazet@google.com>
Reported-by: Maciej Żenczykowski <maze@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2016-04-09 16:53:52 -04:00
Linus Torvalds
183c948a3c TTY fixes for 4.6-rc3
Here are two tty fixes for issues found.  One was due to a merge error
 in 4.6-rc1, and the other a regression fix for UML consoles that broke
 in 4.6-rc1.
 
 Both have been in linux-next for a while.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'tty-4.6-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty

Pull tty fixes from Greg KH:
 "Here are two tty fixes for issues found.

  One was due to a merge error in 4.6-rc1, and the other a regression
  fix for UML consoles that broke in 4.6-rc1.

  Both have been in linux-next for a while"

* tag 'tty-4.6-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty:
  tty: Fix merge of "tty: Refactor tty_open()"
  tty: Fix UML console breakage
2016-04-09 12:32:44 -07:00
Linus Torvalds
ffb927d1dc USB fixes for 4.6-rc3
Here are some USB fixes and new device ids for 4.6-rc3.
 
 Nothing major, the normal USB gadget fixes and usb-serial driver ids,
 along with some other fixes mixed in.  All except the USB serial ids
 have been tested in linux-next, the id additions should be fine as they
 are "trivial".
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'usb-4.6-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb

Pull USB fixes from Greg KH:
 "Here are some USB fixes and new device ids for 4.6-rc3.

  Nothing major, the normal USB gadget fixes and usb-serial driver ids,
  along with some other fixes mixed in.  All except the USB serial ids
  have been tested in linux-next, the id additions should be fine as
  they are 'trivial'"

* tag 'usb-4.6-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: (25 commits)
  USB: option: add "D-Link DWM-221 B1" device id
  USB: serial: cp210x: Adding GE Healthcare Device ID
  USB: serial: ftdi_sio: Add support for ICP DAS I-756xU devices
  usb: dwc3: keystone: drop dma_mask configuration
  usb: gadget: udc-core: remove manual dma configuration
  usb: dwc3: pci: add ID for one more Intel Broxton platform
  usb: renesas_usbhs: fix to avoid using a disabled ep in usbhsg_queue_done()
  usb: dwc2: do not override forced dr_mode in gadget setup
  usb: gadget: f_midi: unlock on error
  USB: digi_acceleport: do sanity checking for the number of ports
  USB: cypress_m8: add endpoint sanity check
  USB: mct_u232: add sanity checking in probe
  usb: fix regression in SuperSpeed endpoint descriptor parsing
  USB: usbip: fix potential out-of-bounds write
  usb: renesas_usbhs: disable TX IRQ before starting TX DMAC transfer
  usb: renesas_usbhs: avoid NULL pointer derefernce in usbhsf_pkt_handler()
  usb: gadget: f_midi: Fixed a bug when buflen was smaller than wMaxPacketSize
  usb: phy: qcom-8x16: fix regulator API abuse
  usb: ch9: Fix SSP Device Cap wFunctionalitySupport type
  usb: gadget: composite: Access SSP Dev Cap fields properly
  ...
2016-04-09 12:23:02 -07:00
Linus Torvalds
c6e6e58cc8 Staging / IIO driver fixes for 4.6-rc3
Here are some IIO driver fixes, along with two staging driver fixes for
 4.6-rc3.
 
 One staging driver patch reverts the deletion of a driver that happened
 in 4.6-rc1.  We thought that laptop.org was dead, but it's still alive
 and kicking, and has users that were mad we broke their hardware by
 deleting a driver for their machines.  So that driver is added back and
 everyone is happy again.
 
 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 'staging-4.6-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging

Pull staging and IIO driver fixes from Greg KH:
 "Here are some IIO driver fixes, along with two staging driver fixes
  for 4.6-rc3.

  One staging driver patch reverts the deletion of a driver that
  happened in 4.6-rc1.  We thought that laptop.org was dead, but it's
  still alive and kicking, and has users that were mad we broke their
  hardware by deleting a driver for their machines.  So that driver is
  added back and everyone is happy again.

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

* tag 'staging-4.6-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging:
  Revert "Staging: olpc_dcon: Remove obsolete driver"
  staging/rdma/hfi1: select CRC32
  iio: gyro: bmg160: fix buffer read values
  iio: gyro: bmg160: fix endianness when reading axes
  iio: accel: bmc150: fix endianness when reading axes
  iio: st_magn: always define ST_MAGN_TRIGGER_SET_STATE
  iio: fix config watermark initial value
  iio: health: max30100: correct FIFO check condition
  iio: imu: Fix inv_mpu6050 dependencies
  iio: adc: Fix build error of missing devm_ioremap_resource on UM
  iio: light: apds9960: correct FIFO check condition
  iio: adc: max1363: correct reference voltage
  iio: adc: max1363: add missing adc to max1363_id
2016-04-09 12:09:37 -07:00
Linus Torvalds
fb41b4be00 SCSI fixes on 20160408
This is a set of 8 fixes.  Two are trivial gcc-6 updates (brace
 additions and unused variable removal).  There's a couple of cxlflash
 regressions, a correction for sd being overly chatty on revalidation
 (causing excess log increases).  A VPD issue which could crash USB
 devices because they seem very intolerant to VPD inquiries, an ALUA
 deadlock fix and a mpt3sas buffer overrun fix.
 
 Signed-off-by: James Bottomley <jejb@linux.vnet.ibm.com>
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Merge tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi

Pull SCSI fixes from James Bottomley:
 "This is a set of eight fixes.

  Two are trivial gcc-6 updates (brace additions and unused variable
  removal).  There's a couple of cxlflash regressions, a correction for
  sd being overly chatty on revalidation (causing excess log increases).
  A VPD issue which could crash USB devices because they seem very
  intolerant to VPD inquiries, an ALUA deadlock fix and a mpt3sas buffer
  overrun fix"

* tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi:
  scsi: Do not attach VPD to devices that don't support it
  sd: Fix excessive capacity printing on devices with blocks bigger than 512 bytes
  scsi_dh_alua: Fix a recently introduced deadlock
  scsi: Declare local symbols static
  cxlflash: Move to exponential back-off when cmd_room is not available
  cxlflash: Fix regression issue with re-ordering patch
  mpt3sas: Don't overreach ioc->reply_post[] during initialization
  aacraid: add missing curly braces
2016-04-09 12:00:42 -07:00
Linus Torvalds
63b106a87d Merge tag 'md/4.6-rc2-fix' of git://git.kernel.org/pub/scm/linux/kernel/git/shli/md
Pull MD fixes from Shaohua Li:
 "This update mainly fixes bugs:

   - fix error handling (Guoqing)
   - fix a crash when a disk is hotremoved (me)
   - fix a dead loop (Wei Fang)"

* tag 'md/4.6-rc2-fix' of git://git.kernel.org/pub/scm/linux/kernel/git/shli/md:
  md/bitmap: clear bitmap if bitmap_create failed
  MD: add rdev reference for super write
  md: fix a trivial typo in comments
  md:raid1: fix a dead loop when read from a WriteMostly disk
2016-04-09 11:23:27 -07:00
Linus Torvalds
40bca9dbab Power management and ACPI material for v4.6-rc3
- intel_pstate fixes for two issues exposed by the recent switch
    over from using timers and for one issue introduced during the
    4.4 cycle plus new comments describing data structures used by
    the driver (Rafael Wysocki, Srinivas Pandruvada).
 
  - intel_idle fixes related to CPU offline/online (Richard Cochran).
 
  - intel_idle support (new CPU IDs and state definitions mostly) for
    Skylake-X and Kabylake processors (Len Brown).
 
  - PCC mailbox driver fix for an out-of-bounds memory access that
    may cause the kernel to panic() (Shanker Donthineni).
 
  - New (missing) CPU ID for one apparently overlooked Haswell model
    in the Intel RAPL power capping driver (Srinivas Pandruvada).
 
  - Fix for the PM core's wakeup IRQs framework to make it work after
    wakeup settings reconfiguration from sysfs (Grygorii Strashko).
 
  - Runtime PM documentation update to make it describe what needs
    to be done during device removal more precisely (Krzysztof
    Kozlowski).
 
  - Stale comment removal cleanup in the cpufreq-dt driver (Viresh
    Kumar).
 
  - turbostat utility fixes and support for Broxton, Skylake-X
    and Kabylake processors (Len Brown).
 
 /
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Merge tag 'pm+acpi-4.6-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm

Pull power management and ACPI fixes from Rafael Wysocki:
 "Fixes for some issues discovered after recent changes and for some
  that have just been found lately regardless of those changes
  (intel_pstate, intel_idle, PM core, mailbox/pcc, turbostat) plus
  support for some new CPU models (intel_idle, Intel RAPL driver,
  turbostat) and documentation updates (intel_pstate, PM core).

  Specifics:

   - intel_pstate fixes for two issues exposed by the recent switch over
     from using timers and for one issue introduced during the 4.4 cycle
     plus new comments describing data structures used by the driver
     (Rafael Wysocki, Srinivas Pandruvada).

   - intel_idle fixes related to CPU offline/online (Richard Cochran).

   - intel_idle support (new CPU IDs and state definitions mostly) for
     Skylake-X and Kabylake processors (Len Brown).

   - PCC mailbox driver fix for an out-of-bounds memory access that may
     cause the kernel to panic() (Shanker Donthineni).

   - New (missing) CPU ID for one apparently overlooked Haswell model in
     the Intel RAPL power capping driver (Srinivas Pandruvada).

   - Fix for the PM core's wakeup IRQs framework to make it work after
     wakeup settings reconfiguration from sysfs (Grygorii Strashko).

   - Runtime PM documentation update to make it describe what needs to
     be done during device removal more precisely (Krzysztof Kozlowski).

   - Stale comment removal cleanup in the cpufreq-dt driver (Viresh
     Kumar).

   - turbostat utility fixes and support for Broxton, Skylake-X and
     Kabylake processors (Len Brown)"

* tag 'pm+acpi-4.6-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: (28 commits)
  PM / wakeirq: fix wakeirq setting after wakup re-configuration from sysfs
  tools/power turbostat: work around RC6 counter wrap
  tools/power turbostat: initial KBL support
  tools/power turbostat: initial SKX support
  tools/power turbostat: decode BXT TSC frequency via CPUID
  tools/power turbostat: initial BXT support
  tools/power turbostat: print IRTL MSRs
  tools/power turbostat: SGX state should print only if --debug
  intel_idle: Add KBL support
  intel_idle: Add SKX support
  intel_idle: Clean up all registered devices on exit.
  intel_idle: Propagate hot plug errors.
  intel_idle: Don't overreact to a cpuidle registration failure.
  intel_idle: Setup the timer broadcast only on successful driver load.
  intel_idle: Avoid a double free of the per-CPU data.
  intel_idle: Fix dangling registration on error path.
  intel_idle: Fix deallocation order on the driver exit path.
  intel_idle: Remove redundant initialization calls.
  intel_idle: Fix a helper function's return value.
  intel_idle: remove useless return from void function.
  ...
2016-04-09 11:03:48 -07:00
Linus Torvalds
9ef11ceb0d Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Pull networking fixes from David Miller:

 1) Stale SKB data pointer access across pskb_may_pull() calls in L2TP,
    from Haishuang Yan.

 2) Fix multicast frame handling in mac80211 AP code, from Felix
    Fietkau.

 3) mac80211 station hashtable insert errors not handled properly, fix
    from Johannes Berg.

 4) Fix TX descriptor count limit handling in e1000, from Alexander
    Duyck.

 5) Revert a buggy netdev refcount fix in netpoll, from Bjorn Helgaas.

 6) Must assign rtnl_link_ops of the device before registering it, fix
    in ip6_tunnel from Thadeu Lima de Souza Cascardo.

 7) Memory leak fix in tc action net exit, from WANG Cong.

 8) Add missing AF_KCM entries to name tables, from Dexuan Cui.

 9) Fix regression in GRE handling of csums wrt.  FOU, from Alexander
    Duyck.

10) Fix memory allocation alignment and congestion map corruption in
    RDS, from Shamir Rabinovitch.

11) Fix default qdisc regression in tuntap driver, from Jason Wang.

* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: (44 commits)
  bridge, netem: mark mailing lists as moderated
  tuntap: restore default qdisc
  mpls: find_outdev: check for err ptr in addition to NULL check
  ipv6: Count in extension headers in skb->network_header
  RDS: fix congestion map corruption for PAGE_SIZE > 4k
  RDS: memory allocated must be align to 8
  GRE: Disable segmentation offloads w/ CSUM and we are encapsulated via FOU
  net: add the AF_KCM entries to family name tables
  MAINTAINERS: intel-wired-lan list is moderated
  lib/test_bpf: Add additional BPF_ADD tests
  lib/test_bpf: Add test to check for result of 32-bit add that overflows
  lib/test_bpf: Add tests for unsigned BPF_JGT
  lib/test_bpf: Fix JMP_JSET tests
  VSOCK: Detach QP check should filter out non matching QPs.
  stmmac: fix adjust link call in case of a switch is attached
  af_packet: tone down the Tx-ring unsupported spew.
  net_sched: fix a memory leak in tc action
  samples/bpf: Enable powerpc support
  samples/bpf: Use llc in PATH, rather than a hardcoded value
  samples/bpf: Fix build breakage with map_perf_test_user.c
  ...
2016-04-09 10:50:44 -07:00
Linus Torvalds
839a3f7657 Merge branch 'for-linus-4.6' of git://git.kernel.org/pub/scm/linux/kernel/git/mason/linux-btrfs
Pull btrfs fixes from Chris Mason:
 "These are bug fixes, including a really old fsync bug, and a few trace
  points to help us track down problems in the quota code"

* 'for-linus-4.6' of git://git.kernel.org/pub/scm/linux/kernel/git/mason/linux-btrfs:
  Btrfs: fix file/data loss caused by fsync after rename and new inode
  btrfs: Reset IO error counters before start of device replacing
  btrfs: Add qgroup tracing
  Btrfs: don't use src fd for printk
  btrfs: fallback to vmalloc in btrfs_compare_tree
  btrfs: handle non-fatal errors in btrfs_qgroup_inherit()
  btrfs: Output more info for enospc_debug mount option
  Btrfs: fix invalid reference in replace_path
  Btrfs: Improve FL_KEEP_SIZE handling in fallocate
2016-04-09 10:41:34 -07:00
Linus Torvalds
6759212640 Orangefs: cleanups and a strncpy vulnerability fix.
Cleanups:
 
   - remove an unused variable from orangefs_readdir.
   - clean up printk wrapper used for ofs "gossip" debugging.
   - clean up truncate ctime and mtime setting in inode.c
   - remove a useless null check found by coccinelle.
   - optimize some memcpy/memset boilerplate code.
   - remove some useless sanity checks from xattr.c
 
 Fix:
 
   - fix a potential strncpy vulnerability.
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Merge tag 'for-linus-4.6-ofs1' of git://git.kernel.org/pub/scm/linux/kernel/git/hubcap/linux

Pull orangefs fixes from Mike Marshall:
 "Orangefs cleanups and a strncpy vulnerability fix.

  Cleanups:
   - remove an unused variable from orangefs_readdir.
   - clean up printk wrapper used for ofs "gossip" debugging.
   - clean up truncate ctime and mtime setting in inode.c
   - remove a useless null check found by coccinelle.
   - optimize some memcpy/memset boilerplate code.
   - remove some useless sanity checks from xattr.c

  Fix:
   - fix a potential strncpy vulnerability"

* tag 'for-linus-4.6-ofs1' of git://git.kernel.org/pub/scm/linux/kernel/git/hubcap/linux:
  orangefs: remove unused variable
  orangefs: Add KERN_<LEVEL> to gossip_<level> macros
  orangefs: strncpy -> strscpy
  orangefs: clean up truncate ctime and mtime setting
  Orangefs: fix ifnullfree.cocci warnings
  Orangefs: optimize boilerplate code.
  Orangefs: xattr.c cleanup
2016-04-09 10:33:58 -07:00
Linus Torvalds
1a59c53920 IOMMU Fixes for Linux v4.6-rc2 with:
- Compile-time fixes (warnings and failures)
 
  - A bug in iommu core code which could cause the group->domain pointer
    to be falsly cleared
 
  - Fix in scatterlist handling of the ARM common DMA-API code
 
  - Stall detection fix for the Rockchip IOMMU driver
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Merge tag 'iommu-fixes-v4.6-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu

Pull IOMMU fixes from Joerg Roedel:

 - compile-time fixes (warnings and failures)

 - a bug in iommu core code which could cause the group->domain pointer
   to be falsly cleared

 - fix in scatterlist handling of the ARM common DMA-API code

 - stall detection fix for the Rockchip IOMMU driver

* tag 'iommu-fixes-v4.6-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu:
  iommu/vt-d: Silence an uninitialized variable warning
  iommu/rockchip: Fix "is stall active" check
  iommu: Don't overwrite domain pointer when there is no default_domain
  iommu/dma: Restore scatterlist offsets correctly
  iommu: provide of_xlate pointer unconditionally
2016-04-09 10:23:45 -07:00
John Allen
498cd8e495 ibmvnic: Enable use of multiple tx/rx scrqs
Enables the use of multiple transmit and receive scrqs allowing the ibmvnic
driver to take advantage of multiqueue functionality. To achieve this, the
driver must implement the process of negotiating the maximum number of
queues allowed by the server. Initially, the driver will attempt to login
with the maximum number of tx and rx queues supported by the server. If
the server fails to allocate the requested number of scrqs, it will return
partial success in the login response. In this case, we must reinitiate
the login process from the request capabilities stage and attempt to login
requesting fewer scrqs.

Signed-off-by: John Allen <jallen@linux.vnet.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2016-04-09 00:02:41 -04:00
Greg Kroah-Hartman
636c8a8d85 USB-serial fixes for v4.6-rc3
Here are some new device ids.
 
 Signed-off-by: Johan Hovold <johan@kernel.org>
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Merge tag 'usb-serial-4.6-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/johan/usb-serial into usb-linus

Johan writes:

USB-serial fixes for v4.6-rc3

Here are some new device ids.

Signed-off-by: Johan Hovold <johan@kernel.org>
2016-04-08 15:41:58 -07:00
Maxim Zhukov
8805eea249 Bluetooth: hci_bcsp: fix code style
This commit fixed:
trailing "*/"
trailing spaces
mixed indent
space between ~ and (

Signed-off-by: Maxim Zhukov <mussitantesmortem@gmail.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2016-04-08 23:01:36 +02:00
David S. Miller
e013b7780c Merge branch 'dsa-voidify-ops'
Vivien Didelot says:

====================
net: dsa: voidify STP setter and FDB/VLAN add ops

Neither the DSA layer nor the bridge code (see br_set_state) really care
about eventual errors from STP state setters, so make it void.

The DSA layer separates the prepare and commit phases of switchdev in
two different functions. Logical errors must not happen in commit
routines, so make them void.

Changes v1 -> v2:
  - rename port_stp_update to port_stp_state_set
  - don't change code flow of bcm_sf2_sw_br_set_stp_state
  - prefer netdev_err over netdev_warn
====================

Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
2016-04-08 16:51:15 -04:00
Vivien Didelot
4d5770b397 net: dsa: make the VLAN add function return void
The switchdev design implies that a software error should not happen in
the commit phase since it must have been previously reported in the
prepare phase. If an hardware error occurs during the commit phase,
there is nothing switchdev can do about it.

The DSA layer separates port_vlan_prepare and port_vlan_add for
simplicity and convenience. If an hardware error occurs during the
commit phase, there is no need to report it outside the driver itself.

Make the DSA port_vlan_add routine return void for explicitness.

Signed-off-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2016-04-08 16:50:41 -04:00
Vivien Didelot
8497aa618d net: dsa: make the FDB add function return void
The switchdev design implies that a software error should not happen in
the commit phase since it must have been previously reported in the
prepare phase. If an hardware error occurs during the commit phase,
there is nothing switchdev can do about it.

The DSA layer separates port_fdb_prepare and port_fdb_add for simplicity
and convenience. If an hardware error occurs during the commit phase,
there is no need to report it outside the DSA driver itself.

Make the DSA port_fdb_add routine return void for explicitness.

Signed-off-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2016-04-08 16:50:40 -04:00
Vivien Didelot
43c44a9f65 net: dsa: make the STP state function return void
The DSA layer doesn't care about the return code of the port_stp_update
routine, so make it void in the layer and the DSA drivers.

Replace the useless dsa_slave_stp_update function with a
dsa_slave_stp_state function used to reply to the switchdev
SWITCHDEV_ATTR_ID_PORT_STP_STATE attribute.

In the meantime, rename port_stp_update to port_stp_state_set to
explicit the state change.

Signed-off-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2016-04-08 16:50:40 -04:00
Vivien Didelot
f453939c1a net: dsa: document missing functions
Add description for the missing port_vlan_prepare, port_fdb_prepare,
port_fdb_dump functions in the DSA documentation.

Signed-off-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
2016-04-08 16:50:02 -04:00
David S. Miller
1089ac6977 For the 4.6 cycle, we have a number of changes:
* Bob's mesh mode rhashtable conversion, this includes
    the rhashtable API change for allocation flags
  * BSSID scan, connect() command reassoc support (Jouni)
  * fast (optimised data only) and support for RSS in mac80211 (myself)
  * various smaller changes
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Merge tag 'mac80211-next-for-davem-2016-04-06' of git://git.kernel.org/pub/scm/linux/kernel/git/jberg/mac80211-next

Johannes Berg says:

====================
For the 4.7 cycle, we have a number of changes:
 * Bob's mesh mode rhashtable conversion, this includes
   the rhashtable API change for allocation flags
 * BSSID scan, connect() command reassoc support (Jouni)
 * fast (optimised data only) and support for RSS in mac80211 (myself)
 * various smaller changes
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
2016-04-08 16:42:31 -04:00
David S. Miller
30d237a6c2 For the current RC series, we have the following fixes:
* TDLS fixes from Arik and Ilan
  * rhashtable fixes from Ben and myself
  * documentation fixes from Luis
  * U-APSD fixes from Emmanuel
  * a TXQ fix from Felix
  * and a compiler warning suppression from Jeff
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Merge tag 'mac80211-for-davem-2016-04-06' of git://git.kernel.org/pub/scm/linux/kernel/git/jberg/mac80211

Johannes Berg says:

====================
For the current RC series, we have the following fixes:
 * TDLS fixes from Arik and Ilan
 * rhashtable fixes from Ben and myself
 * documentation fixes from Luis
 * U-APSD fixes from Emmanuel
 * a TXQ fix from Felix
 * and a compiler warning suppression from Jeff
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
2016-04-08 16:41:28 -04:00
stephen hemminger
3430284fea bridge, netem: mark mailing lists as moderated
I moderate these (lightly loaded) lists to block spam.

Signed-off-by: Stephen Hemminger <stephen@networkplumber.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
2016-04-08 16:32:52 -04:00