canqun zhang reported that we're hitting BUG_ON in the
nf_conntrack_destroy path when calling kfree_skb while
rmmod'ing the nf_conntrack module.
Currently, the nf_ct_destroy hook is being set to NULL in the
destroy path of conntrack.init_net. However, this is a problem
since init_net may be destroyed before any other existing netns
(we cannot assume any specific ordering while releasing existing
netns according to what I read in recent emails).
Thanks to Gao feng for initial patch to address this issue.
Reported-by: canqun zhang <canqunzhang@gmail.com>
Acked-by: Gao feng <gaofeng@cn.fujitsu.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
net/netfilter/xt_CT.c: In function ‘xt_ct_tg_check_v1’:
net/netfilter/xt_CT.c:250:6: warning: ‘ret’ may be used uninitialized in this function [-Wmaybe-uninitialized]
net/netfilter/xt_CT.c: In function ‘xt_ct_tg_check_v0’:
net/netfilter/xt_CT.c:112:6: warning: ‘ret’ may be used uninitialized in this function [-Wmaybe-uninitialized]
Reported-by: Borislav Petkov <bp@alien8.de>
Acked-by: Borislav Petkov <bp@alien8.de>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
A regression is introduced by the following commit:
commit 4d52cfbef6
Author: Eric Dumazet <eric.dumazet@gmail.com>
Date: Tue Jun 2 00:42:16 2009 -0700
net: ipv4/ip_sockglue.c cleanups
Pure cleanups
but it is not a pure cleanup...
- if (val != -1 && (val < 1 || val>255))
+ if (val != -1 && (val < 0 || val > 255))
Since there is no reason provided to allow ttl=0, change it back.
Reported-by: nitin padalia <padalia.nitin@gmail.com>
Cc: nitin padalia <padalia.nitin@gmail.com>
Cc: Eric Dumazet <eric.dumazet@gmail.com>
Cc: David S. Miller <davem@davemloft.net>
Signed-off-by: Cong Wang <xiyou.wangcong@gmail.com>
Acked-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Nothing too exciting here, just a few regression and trivial fixes,
and new quirks for HD-audio and USB-audio.
- HD-audio mute LED mode enum fix
- Fix kernel panic of Digidesign Mbox2 usb-audio quirk (which was new
in 3.8-rc1)
- Creative BT-D1 usb-audio quirk
- mute LED fixup for HP Pavillion 17 laptop
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Merge tag 'sound-3.8' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound
Pull sound fixes from Takashi Iwai:
"Nothing too exciting here, just a few regression and trivial fixes,
and new quirks for HD-audio and USB-audio.
- HD-audio mute LED mode enum fix
- Fix kernel panic of Digidesign Mbox2 usb-audio quirk (which was new
in 3.8-rc1)
- Creative BT-D1 usb-audio quirk
- mute LED fixup for HP Pavillion 17 laptop"
* tag 'sound-3.8' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound:
ALSA: hda - add mute LED for HP Pavilion 17 (Realtek codec)
ALSA: au88x0: fix incorrect left shift
sound: oss/pas2: Fix possible access out of array
ALSA: usb-audio: Fix kernel panic of Digidesign Mbox2 quirk
ALSA: usb-audio: Add support for Creative BT-D1 via usb sound quirks
ALSA: hda - Switch "On" and "Off" for "Mute-LED Mode" kcontrol
Pull networking fixes from David Miller:
1) New sysctl ndisc_notify needs some documentation, from Hanns
Frederic Sowa.
2) Netfilter REJECT target doesn't set transport header of SKB
correctly, from Mukund Jampala.
3) Forcedeth driver needs to check for DMA mapping failures, from Larry
Finger.
4) brcmsmac driver can't use usleep_range while holding locks, use
udelay instead. From Niels Ole Salscheider.
5) Fix unregister of netlink bridge multicast database handlers, from
Vlad Yasevich and Rami Rosen.
6) Fix checksum calculations in netfilter's ipv6 network prefix
translation module.
7) Fix high order page allocation failures in netfilter xt_recent, from
Eric Dumazet.
8) mac802154 needs to use netif_rx_ni() instead of netif_rx() because
mac802154_process_data() can execute in process rather than
interrupt context. From Alexander Aring.
9) Fix splice handling of MSG_SENDPAGE_NOTLAST, otherwise we elide one
tcp_push() too many. From Eric Dumazet and Willy Tarreau.
10) Fix skb->truesize tracking in XEN netfront driver, from Ian
Campbell.
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: (46 commits)
xen/netfront: improve truesize tracking
ipv4: fix NULL checking in devinet_ioctl()
tcp: fix MSG_SENDPAGE_NOTLAST logic
net/ipv4/ipconfig: really display the BOOTP/DHCP server's address.
ip-sysctl: fix spelling errors
mac802154: fix NOHZ local_softirq_pending 08 warning
ipv6: document ndisc_notify in networking/ip-sysctl.txt
ath9k: Fix Kconfig for ATH9K_HTC
netfilter: xt_recent: avoid high order page allocations
netfilter: fix missing dependencies for the NOTRACK target
netfilter: ip6t_NPT: fix IPv6 NTP checksum calculation
bridge: add empty br_mdb_init() and br_mdb_uninit() definitions.
vxlan: allow live mac address change
bridge: Correctly unregister MDB rtnetlink handlers
brcmfmac: fix parsing rsn ie for ap mode.
brcmsmac: add copyright information for Canonical
rtlwifi: rtl8723ae: Fix warning for unchecked pci_map_single() call
rtlwifi: rtl8192se: Fix warning for unchecked pci_map_single() call
rtlwifi: rtl8192de: Fix warning for unchecked pci_map_single() call
rtlwifi: rtl8192ce: Fix warning for unchecked pci_map_single() call
...
Using RX_COPY_THRESHOLD is incorrect if the SKB is actually smaller
than that. We have already accounted for this in
NETFRONT_SKB_CB(skb)->pull_to so use that instead.
Fixes WARN_ON from skb_try_coalesce.
Signed-off-by: Ian Campbell <ian.campbell@citrix.com>
Cc: Sander Eikelenboom <linux@eikelenboom.it>
Cc: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Cc: annie li <annie.li@oracle.com>
Cc: xen-devel@lists.xen.org
Cc: netdev@vger.kernel.org
Cc: stable@kernel.org # 3.7.x only
Acked-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Pablo Neira Ayuso says:
====================
The following batch contains Netfilter fixes for 3.8-rc2, they are:
* Fix IPv6 stateless network/port translation (NPT) checksum
calculation, from Ulrich Weber.
* Fix for xt_recent to avoid memory allocation failures if large
hashtables are used, from Eric Dumazet.
* Fix missing dependencies in Kconfig for the deprecated NOTRACK,
from myself.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
* Removal of some ACPICA code that the kernel will never use from Lv Zheng.
* APEI fix from Adrian Huang.
* Removal of unnecessary ACPI memory hotplug driver code from Liu Jinsong.
* Minor ACPI power management fixes.
* ACPI debug code fix from Joe Perches.
* ACPI fix to make system bus device nodes get the right names.
* PNP resources handling fixes from Witold Szczeponik.
* cpuidle fix for a recent regression stalling boot on systems with great
numbers of CPUs from Daniel Lezcano.
* cpuidle fixes from Sivaram Nair.
* intel_idle debug message fix from Youquan Song.
* cpufreq build regression fix from Larry Finger.
* cpufreq fix for an obscure initialization race related to statistics from
Konstantin Khlebnikov.
* cpufreq change disabling the Longhaul driver by default from Rafał Bilski.
* PM core fix preventing device suspend errors from happening during system
suspend due to obscure race conditions.
* PM QoS local variable name cleanup.
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Merge tag 'pm+acpi-for-3.8-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull ACPI and power management fixes from Rafael Wysocki:
- Removal of some ACPICA code that the kernel will never use from Lv
Zheng.
- APEI fix from Adrian Huang.
- Removal of unnecessary ACPI memory hotplug driver code from Liu
Jinsong.
- Minor ACPI power management fixes.
- ACPI debug code fix from Joe Perches.
- ACPI fix to make system bus device nodes get the right names.
- PNP resources handling fixes from Witold Szczeponik.
- cpuidle fix for a recent regression stalling boot on systems with
great numbers of CPUs from Daniel Lezcano.
- cpuidle fixes from Sivaram Nair.
- intel_idle debug message fix from Youquan Song.
- cpufreq build regression fix from Larry Finger.
- cpufreq fix for an obscure initialization race related to statistics
from Konstantin Khlebnikov.
- cpufreq change disabling the Longhaul driver by default from Rafał
Bilski.
- PM core fix preventing device suspend errors from happening during
system suspend due to obscure race conditions.
- PM QoS local variable name cleanup.
* tag 'pm+acpi-for-3.8-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
PM: Move disabling/enabling runtime PM to late suspend/early resume
PM / QoS: Rename local variable in dev_pm_qos_add_ancestor_request()
ACPI / scan: Do not use dummy HID for system bus ACPI nodes
cpufreq / governor: Fix problem with cpufreq_ondemand or cpufreq_conservative
cpufreq / Longhaul: Disable driver by default
cpufreq / stats: fix race between stats allocation and first usage
cpuidle: fix lock contention in the idle path
intel_idle: pr_debug information need separated
cpuidle / coupled: fix ready counter decrement
cpuidle: Fix finding state with min power_usage
PNP: Handle IORESOURCE_BITS in resource allocation
PNP: Simplify setting of resources
ACPI / power: Remove useless message from device registering routine
ACPI / glue: Update DBG macro to include KERN_DEBUG
ACPI / PM: Do not apply ACPI_SUCCESS() to acpi_bus_get_device() result
ACPI / memhotplug: remove redundant logic of acpi memory hotadd
ACPI / APEI: Fix the returned value in erst_dbg_read
ACPICA: Remove useless mini-C library.
Pull CIFS fixes from Steve French:
"Misc small cifs fixes"
* 'for-next' of git://git.samba.org/sfrench/cifs-2.6:
CIFS: Don't let read only caching for mandatory byte-range locked files
CIFS: Fix write after setting a read lock for read oplock files
Revert "CIFS: Fix write after setting a read lock for read oplock files"
cifs: adjust sequence number downward after signing NT_CANCEL request
cifs: move check for NULL socket into smb_send_rqst
Recent versions of udev cause synchronous firmware loading from the
probe routine to fail because the request to user space would time
out. The original fix for b43 (commit 6b6fa58) moved the firmware
load from the probe routine to a work queue, but it still used synchronous
firmware loading. This method is OK when b43 is built as a module;
however, it fails when the driver is compiled into the kernel.
This version changes the code to load the initial firmware file
using request_firmware_nowait(). A completion event is used to
hold the work queue until that file is available. This driver
reads several firmware files - the remainder can be read synchronously.
On some test systems, the async read fails; however, a following synch
read works, thus the async failure falls through to the sync try.
Reported-and-Tested by: Felix Janda <felix.janda@posteo.de>
Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Cc: Stable <stable@vger.kernel.org> (V3.4+)
Signed-off-by: John W. Linville <linville@tuxdriver.com>
The fields must be null-terminated, or simple_strtoul will cause issue.
Signed-off-by: Chen Gang <gang.chen@asianux.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Do not dereference p->station_id after kfree(cmd) because p
points into the cmd data structure.
Signed-off-by: Nickolai Zeldovich <nickolai@csail.mit.edu>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Signed-off-by: Julian Wollrath <jwollrath@web.de>
Acked-by: Larry Finger <Larry.finger@lwfinger.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Pull namei.h missing include fix from Al Viro.
The new use of ESTALE in namei.h can cause compile failures on ARM with
certain configurations due to lack of errno.h.
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs:
namei.h: include errno.h
Commit 0d0863b020 ("sctp: Change defaults on cookie hmac selection")
added a "choice" to the sctp Kconfig file. It introduced a bug which
led to an infinite loop when while running "make oldconfig".
The problem is that the wrong symbol was defined as the default value
for the choice. Using the correct value gets rid of the infinite loop.
Note: if CONFIG_SCTP_COOKIE_HMAC_SHA1=y was present in the input
config file, both that and CONFIG_SCTP_COOKIE_HMAC_MD5=y be present
in the generated config file.
Signed-off-by: Alex Elder <elder@inktank.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
serious of these regressions is a buffer cache leak.
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Merge tag 'ext4_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4
Pull ext4 regression fixes from Ted Ts'o:
"Bug fixes, including two regressions introduced in v3.8. The most
serious of these regressions is a buffer cache leak."
* tag 'ext4_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4:
ext4: remove duplicate call to ext4_bread() in ext4_init_new_dir()
ext4: release buffer in failed path in dx_probe()
ext4: fix configuration dependencies for ext4 ACLs and security labels
- Fix a permissions problem when opening NFSv4 files that only have the
exec bit set.
- Fix a couple of typos in pNFS (inverted logic), and the mount parsing
(missing pointer dereference).
- Work around a series of deadlock issues due to workqueues using
struct work_struct pointer address comparisons in the re-entrancy
tests. Ensure that we don't free struct work_struct prematurely if
our work function involves waiting for completion of other work
items (e.g. by calling rpc_shutdown_client).
- Revert the part of commit 168e4b3 that is causing unnecessary warnings
to be issued in the nfsd callback code.
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Merge tag 'nfs-for-3.8-2' of git://git.linux-nfs.org/projects/trondmy/linux-nfs
Pull NFS client bugfixes from Trond Myklebust:
- Fix a permissions problem when opening NFSv4 files that only have the
exec bit set.
- Fix a couple of typos in pNFS (inverted logic), and the mount parsing
(missing pointer dereference).
- Work around a series of deadlock issues due to workqueues using
struct work_struct pointer address comparisons in the re-entrancy
tests. Ensure that we don't free struct work_struct prematurely if
our work function involves waiting for completion of other work items
(e.g. by calling rpc_shutdown_client).
- Revert the part of commit 168e4b3 that is causing unnecessary
warnings to be issued in the nfsd callback code.
* tag 'nfs-for-3.8-2' of git://git.linux-nfs.org/projects/trondmy/linux-nfs:
nfs: avoid dereferencing null pointer in initiate_bulk_draining
SUNRPC: Partial revert of commit 168e4b39d1
NFS: Ensure that we free the rpc_task after read and write cleanups are done
SUNRPC: Ensure that we free the rpc_task after cleanups are done
nfs: fix null checking in nfs_get_option_str()
pnfs: Increase the refcount when LAYOUTGET fails the first time
NFS: Fix access to suid/sgid executables
The mute LED is in this case connected to the Mic1 VREF.
The machine also exposes the following string in BIOS:
"HP_Mute_LED_0_A", so if more machines are coming, it probably
makes sense to try to do something more generic, like for the
IDT codec.
Cc: stable@vger.kernel.org
BugLink: https://bugs.launchpad.net/bugs/1096789
Signed-off-by: David Henningsson <david.henningsson@canonical.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Pull MIPS fixes from Ralf Baechle:
"Various fixes across the tree. The modpost error due to
virt_addr_valid() not being usable from modules required a number of
preparatory cleanups so a clean fix was possible."
* 'upstream' of git://git.linux-mips.org/pub/scm/ralf/upstream-linus:
MIPS: 64-bit: Fix build if !CONFIG_MODULES
MIPS: Wire up finit_module syscall.
MIPS: Fix modpost error in modules attepting to use virt_addr_valid().
MIPS: page.h: Remove now unnecessary #ifndef __ASSEMBLY__ wrapper.
MIPS: Switch remaining assembler PAGE_SIZE users to <asm/asm-offsets.h>.
MIPS: Include PAGE_S{IZE,HIFT} in <asm/offset.h>.
MIPS: Don't include <asm/page.h> unnecessarily.
MIPS: Fix comment.
Revert "MIPS: Optimise TLB handlers for MIPS32/64 R2 cores."
MIPS: perf: Fix build failure in XLP perf support.
MIPS: Alchemy: Make 32kHz and r4k timer coexist peacefully
Merge emailed fixes from Andrew Morton:
"Bunch of fixes:
- delayed IPC updates. I held back on this because of some possible
outstanding bug reports, but they appear to have been addressed in
later versions
- A bunch of MAINTAINERS updates
- Yet Another RTC driver. I'd held this back while a couple of
little issues were being worked out.
I'm expecting an intrusive-but-simple patchset from Joe Perches which
splits up printk.c into kernel/printk/*. That will be a pig to
maintain for two months so if it passes testing I'd like to get it
upstream after a week or so."
* emailed patches from Andrew Morton <akpm@linux-foundation.org>: (35 commits)
printk: fix incorrect length from print_time() when seconds > 99999
drivers/rtc/rtc-vt8500.c: fix handling of data passed in struct rtc_time
drivers/rtc/rtc-vt8500.c: correct handling of CR_24H bitfield
rtc: add RTC driver for TPS6586x
MAINTAINERS: fix drivers/staging/sm7xx/
MAINTAINERS: remove include/linux/of_pwm.h
MAINTAINERS: remove arch/*/lib/perf_event*.c
MAINTAINERS: remove drivers/mmc/host/imxmmc.*
MAINTAINERS: fix Documentation/mei/
MAINTAINERS: remove arch/x86/platform/mrst/pmu.*
MAINTAINERS: remove firmware/isci/
MAINTAINERS: fix drivers/ieee802154/
MAINTAINERS: fix .../plat-mxc/include/mach/imxfb.h
MAINTAINERS: remove drivers/video/epson1355fb.c
MAINTAINERS: fix drivers/media/usb/dvb-usb/cxusb*
MAINTAINERS: adjust for UAPI
MAINTAINERS: fix drivers/media/platform/atmel-isi.c
MAINTAINERS: fix arch/arm/mach-at91/include/mach/at_hdmac.h
MAINTAINERS: fix drivers/rtc/rtc-vt8500.c
MAINTAINERS: remove arch/arm/plat-s5p/
...
Pull microblaze update from Michal Simek:
"This fixes noMMU kernel and I have also added defconfig updates which
fix issue with one external dependency and enable all xilinx device
drivers for 0-day testing system.
Additionally wire up finit_module system call, and do highmem fixup
and pci warnings reported by the 0-day testing system"
* 'next' of git://git.monstr.eu/linux-2.6-microblaze:
microblaze: Update microblaze defconfigs
microblaze: Fix pci compilation and sparse warnings
microblaze: Add finit_module syscall
microblaze: Kill __kmap_atomic()
microblaze: Change section flags for noMMU
microblaze: Microblaze wants sys_fork for noMMU too
Pull integrity subsystem regression fix from James Morris:
"Commit fdf90729e5 "ima: support new kernel module syscall" by error
modified init_module() to return INTEGRITY_UNKNOWN (which is 4) to
user space if the kernel was built with CONFIG_IMA_APPRAISE=y.
As a result, user space can no longer load kernel modules using
init_module(). This commit fixes this regression."
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/linux-security:
ima: fallback to MODULE_SIG_ENFORCE for existing kernel module syscall
vortex_wt_setdsout performs bit-negation on the bit position (wt&0x1f)
rather than on the resulting bitmask. This code is never actually
invoked (vortex_wt_setdsout is always called with en=1), so this does
not currently cause any problem, and this patch is simply cleanup.
Signed-off-by: Nickolai Zeldovich <nickolai@csail.mit.edu>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
The NULL pointer check `!ifa' should come before its first use.
[ Bug origin : commit fd23c3b311
(ipv4: Add hash table of interface addresses) in linux-2.6.39 ]
Signed-off-by: Xi Wang <xi.wang@gmail.com>
Acked-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
commit 35f9c09fe9 (tcp: tcp_sendpages() should call tcp_push() once)
added an internal flag : MSG_SENDPAGE_NOTLAST meant to be set on all
frags but the last one for a splice() call.
The condition used to set the flag in pipe_to_sendpage() relied on
splice() user passing the exact number of bytes present in the pipe,
or a smaller one.
But some programs pass an arbitrary high value, and the test fails.
The effect of this bug is a lack of tcp_push() at the end of a
splice(pipe -> socket) call, and possibly very slow or erratic TCP
sessions.
We should both test sd->total_len and fact that another fragment
is in the pipe (pipe->nrbufs > 1)
Many thanks to Willy for providing very clear bug report, bisection
and test programs.
Reported-by: Willy Tarreau <w@1wt.eu>
Bisected-by: Willy Tarreau <w@1wt.eu>
Tested-by: Willy Tarreau <w@1wt.eu>
Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This fixes a buffer cache leak when creating a directory, introduced
in commit a774f9c20.
Signed-off-by: Guo Chao <yan@linux.vnet.ibm.com>
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
Reviewed-by: Tao Ma <boyu.mt@taobao.com>
If checksum fails, we should also release the buffer
read from previous iteration.
Signed-off-by: Guo Chao <yan@linux.vnet.ibm.com>
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com>-
Cc: stable@vger.kernel.org
--
fs/ext4/namei.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
Commit "ext4: Remove CONFIG_EXT4_FS_XATTR" removed the configuration
dependencies for ext4 xattrs from the ext4 ACLs and security labels
configuration options, but did not replace them with a dependency on
ext4 itself. Add back the dependency on ext4 so the options only show
up if ext4 is enabled.
Signed-off-by: Valerie Aurora <val@vaaconsulting.com>
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
Reviewed-by: Tao Ma <boyu.mt@taobao.com>
Cleanup. And I think we need more cleanups, in particular
__set_current_blocked() and sigprocmask() should die. Nobody should
ever block SIGKILL or SIGSTOP.
- Change set_current_blocked() to use __set_current_blocked()
- Change sys_sigprocmask() to use set_current_blocked(), this way it
should not worry about SIGKILL/SIGSTOP.
Signed-off-by: Oleg Nesterov <oleg@redhat.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Currently, the PM core disables runtime PM for all devices right
after executing subsystem/driver .suspend() callbacks for them
and re-enables it right before executing subsystem/driver .resume()
callbacks for them. This may lead to problems when there are
two devices such that the .suspend() callback executed for one of
them depends on runtime PM working for the other. In that case,
if runtime PM has already been disabled for the second device,
the first one's .suspend() won't work correctly (and analogously
for resume).
To make those issues go away, make the PM core disable runtime PM
for devices right before executing subsystem/driver .suspend_late()
callbacks for them and enable runtime PM for them right after
executing subsystem/driver .resume_early() callbacks for them. This
way the potential conflitcs between .suspend_late()/.resume_early()
and their runtime PM counterparts are still prevented from happening,
but the subtle ordering issues related to disabling/enabling runtime
PM for devices during system suspend/resume are much easier to avoid.
Reported-and-tested-by: Jan-Matthias Braun <jan_braun@gmx.net>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Reviewed-by: Ulf Hansson <ulf.hansson@linaro.org>
Reviewed-by: Kevin Hilman <khilman@deeprootsystems.com>
Cc: 3.4+ <stable@vger.kernel.org>
Local variable 'error' in dev_pm_qos_add_ancestor_request() need
not contain error codes only, so rename it to 'ret'.
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
print_prefix() passes a NULL buf to print_time() to get the length of
the time prefix; when printk times are enabled, the current code just
returns the constant 15, which matches the format "[%5lu.%06lu] " used
to print the time value. However, this is obviously incorrect when the
whole seconds part of the time gets beyond 5 digits (100000 seconds is a
bit more than a day of uptime).
The simple fix is to use snprintf(NULL, 0, ...) to calculate the actual
length of the time prefix. This could be micro-optimized but it seems
better to have simpler, more readable code here.
The bug leads to the syslog system call miscomputing which messages fit
into the userspace buffer. If there are enough messages to fill
log_buf_len and some have a timestamp >= 100000, dmesg may fail with:
# dmesg
klogctl: Bad address
When this happens, strace shows that the failure is indeed EFAULT due to
the kernel mistakenly accessing past the end of dmesg's buffer, since
dmesg asks the kernel how big a buffer it needs, allocates a bit more,
and then gets an error when it asks the kernel to fill it:
syslog(0xa, 0, 0) = 1048576
mmap(NULL, 1052672, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa4d25d2000
syslog(0x3, 0x7fa4d25d2010, 0x100008) = -1 EFAULT (Bad address)
As far as I can see, the bug has been there as long as print_time(),
which comes from commit 084681d14e ("printk: flush continuation lines
immediately to console") in 3.5-rc5.
Signed-off-by: Roland Dreier <roland@purestorage.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: Joe Perches <joe@perches.com>
Cc: Sylvain Munaut <s.munaut@whatever-company.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
tm_mon is 0..11, whereas vt8500 expects 1..12 for the month field,
causing invalid date errors for January, and causing the day field to
roll over incorrectly.
The century flag is only handled in vt8500_rtc_read_time, but not set in
vt8500_rtc_set_time. This patch corrects the behaviour of the century
flag.
Signed-off-by: Edgar Toernig <froese@gmx.de>
Signed-off-by: Tony Prisk <linux@prisktech.co.nz>
Cc: <stable@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Control register bitfield for 12H/24H mode is handled incorrectly.
Setting CR_24H actually enables 12H mode. This patch renames the define
and changes the initialization code to correctly set 24H mode.
Signed-off-by: Tony Prisk <linux@prisktech.co.nz>
Cc: Edgar Toernig <froese@gmx.de>
Cc: <stable@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Add an RTC driver for TPS6586X chips by TI. This driver supports:
- Setting and getting time and date.
- Setting and reading alarm time.
- Alarm and interrupt functionlity.
[akpm@linux-foundation.org: remove stray semicolons]
[akpm@linux-foundation.org: start epoch in 2009]
Signed-off-by: Laxman Dewangan <ldewangan@nvidia.com>
Tested-by: Marc Dietrich <marvin24@gmx.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This directory was moved to drivers/staging/sm7xxfb/ by commit
925aa6600c ("staging: sm7xxfb: sm7xx becomes sm7xxfb").
Signed-off-by: Cesar Eduardo Barros <cesarb@cesarb.net>
Cc: Teddy Wang <teddy.wang@siliconmotion.com.cn>
Acked-by: Javier Muñoz <jmunhoz@igalia.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Added by commit 200efedd87 ("pwm: Take over maintainership of the PWM
subsystem"), but I could not find any trace of that file being ever
added to the repository.
Signed-off-by: Cesar Eduardo Barros <cesarb@cesarb.net>
Acked-by: Thierry Reding <thierry.reding@avionic-design.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This pattern only matched arch/frv/lib/perf_event.c, which was removed
by commit e360adbe29 ("irq_work: Add generic hardirq context
callbacks").
Signed-off-by: Cesar Eduardo Barros <cesarb@cesarb.net>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Arnaldo Carvalho de Melo <acme@ghostprotocols.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
The documentation was moved to Documentation/misc-devices/mei/ instead.
Signed-off-by: Cesar Eduardo Barros <cesarb@cesarb.net>
Acked-by: Tomas Winkler <tomas.winkler@intel.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
These files were removed by commit 1a8359e411 ("x86/mid: Remove Intel
Moorestown").
Signed-off-by: Cesar Eduardo Barros <cesarb@cesarb.net>
Cc: Alan Cox <alan@linux.intel.com>
Cc: Len Brown <len.brown@intel.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This directory was removed by commit 7d99b3abaf ("isci, firmware:
Remove isci fallback parameter blob and generator").
Signed-off-by: Cesar Eduardo Barros <cesarb@cesarb.net>
Cc: Ben Hutchings <ben@decadent.org.uk>
Cc: Dan Williams <dan.j.williams@intel.com>
Cc: James Bottomley <JBottomley@Parallels.com>
Cc: Intel SCU Linux support <intel-linux-scu@intel.com>
Cc: Lukasz Dorau <lukasz.dorau@intel.com>
Cc: Maciej Patelczyk <maciej.patelczyk@intel.com>
Cc: Dave Jiang <dave.jiang@intel.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This directory was moved to drivers/net/ieee802154/ by commit
31d178bffc ("drivers/ieee802154: move ieee802154 drivers to net
folder").
Signed-off-by: Cesar Eduardo Barros <cesarb@cesarb.net>
Cc: Alexander Smirnov <alex.bluesman.smirnov@gmail.com>
Cc: Dmitry Eremin-Solenikov <dbaryshkov@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This file was moved to include/linux/platform_data/video-imxfb.h by
commit 82906b13a6 ("ARM: imx: move platform_data definitions").
Signed-off-by: Cesar Eduardo Barros <cesarb@cesarb.net>
Acked-by: Sascha Hauer <s.hauer@pengutronix.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
