Contains:
o fix for endian conversion issue in new CRC validation in
log recovery that was discovered on a ppc64 platform.
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Merge tag 'xfs-fixes-for-linus-4.5' of git://git.kernel.org/pub/scm/linux/kernel/git/dgc/linux-xfs
Pull xfs fix from Dve Chinner:
"This contains a fix for an endian conversion issue in new CRC
validation in log recovery that was discovered on a ppc64 platform"
* tag 'xfs-fixes-for-linus-4.5' of git://git.kernel.org/pub/scm/linux/kernel/git/dgc/linux-xfs:
xfs: fix endianness error when checking log block crc on big endian platforms
If a driver PM runtime is disabled via sysfs, and the module is
unloaded, PM runtime can't do anything to disable the device. Let's
let the interconnect disable the device on BUS_NOTIFY_UNBOUND_DRIVER.
Otherwise omap_device will produce and error on the following module
reload. This can be easily tested with something like:
# modprobe omap_hsmmc
# echo on > /sys/devices/platform/68000000.ocp/4809c000.mmc/power/control
# rmmod omap_hsmmc
# modprobe omap_hsmmc
Cc: Alan Stern <stern@rowland.harvard.edu>
Cc: Nishanth Menon <nm@ti.com>
Cc: Rafael J. Wysocki <rafael@kernel.org>
Cc: Tero Kristo <t-kristo@ti.com>
Reported-by: Ulf Hansson <ulf.hansson@linaro.org>
Acked-by: Kevin Hilman <khilman@baylibre.com>
Acked-by: Ulf Hansson <ulf.hansson@linaro.org>
Signed-off-by: Tony Lindgren <tony@atomide.com>
Drivers using pm_runtime_use_autosuspend() may not get disabled after
-EPROBE_DEFER. On the following device driver probe, hardware state
is different from the PM runtime state causing omap_device to produce
the following error:
omap_device_enable() called from invalid state 1
And with omap_device and omap hardware being picky for PM, this will
block any deeper idle states in hardware.
Let's add a proper error message so driver writers can easily fix
their drivers for PM.
In general, the solution is to fix the drivers to follow the PM
runtime documentation:
1. For sections of code that needs the device disabled, use
pm_runtime_put_sync_suspend() if pm_runtime_set_autosuspend() has
been set.
2. For driver exit code, use pm_runtime_dont_use_autosuspend() before
pm_runtime_put_sync() if pm_runtime_use_autosuspend() has been
set.
Let's not return with 0 from _od_runtime_resume() as that will
eventually lead into new drivers with broken PM runtime that will
block deeper idle states on omaps.
Cc: Alan Stern <stern@rowland.harvard.edu>
Cc: Nishanth Menon <nm@ti.com>
Cc: Rafael J. Wysocki <rafael@kernel.org>
Cc: Tero Kristo <t-kristo@ti.com>
Acked-by: Kevin Hilman <khilman@baylibre.com>
Acked-by: Ulf Hansson <ulf.hansson@linaro.org>
Signed-off-by: Tony Lindgren <tony@atomide.com>
Switching between stacks is only valid if we are tracing ourselves while on the
irq_stack, so it is only valid when in current and non-preemptible context,
otherwise is is just zeroed off.
Fixes: 132cd887b5 ("arm64: Modify stack trace and dump for use with irq_stack")
Acked-by: James Morse <james.morse@arm.com>
Tested-by: James Morse <james.morse@arm.com>
Signed-off-by: Yang Shi <yang.shi@linaro.org>
Signed-off-by: Will Deacon <will.deacon@arm.com>
Commit 35dc248383 introduced a check for
current->mm to see if we have a user space context and only copies data
if we do. Now if an IO gets interrupted by a signal data isn't copied
into user space any more (as we don't have a user space context) but
user space isn't notified about it.
This patch modifies the behaviour to return -EINTR from bio_uncopy_user()
to notify userland that a signal has interrupted the syscall, otherwise
it could lead to a situation where the caller may get a buffer with
no data returned.
This can be reproduced by issuing SG_IO ioctl()s in one thread while
constantly sending signals to it.
Fixes: 35dc248 [SCSI] sg: Fix user memory corruption when SG_IO is interrupted by a signal
Signed-off-by: Johannes Thumshirn <jthumshirn@suse.de>
Signed-off-by: Hannes Reinecke <hare@suse.de>
Cc: stable@vger.kernel.org # v.3.11+
Signed-off-by: Jens Axboe <axboe@fb.com>
We don't need to spam the kernel logs with thousands of IO cancelling
messages. We can infer all IO's are being cancelled with fewer, or
even none at all. This patch rate limits the message and uses the debug
log level as it is mainly used for testing purposes.
Signed-off-by: Keith Busch <keith.busch@intel.com>
Signed-off-by: Jens Axboe <axboe@fb.com>
A device failure or link down wouldn't have been detected during namespace
removal. This patch keeps the device in the list for polling so that the
thread may see such failure and initiate a reset. The device is removed
from the list after disable, so we can safely flush the reset work as
it can't be requeued when disable completes.
Signed-off-by: Keith Busch <keith.busch@intel.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Johannes Thumshirn <jthumshirn@suse.de>
Reviewed-by: Sagi Grimberg <sagig@mellanox.com>
Signed-off-by: Jens Axboe <axboe@fb.com>
It's possible a request may get to the driver after the nvme queue was
disabled. This has the request requeue if that happens.
Note the request is still "started" by the driver, but requeuing will
clear the start state for timeout handling.
Signed-off-by: Keith Busch <keith.busch@intel.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Johannes Thumshirn <jthumshirn@suse.de>
Reviewed-by: Sagi Grimberg <sagig@mellanox.com>
Signed-off-by: Jens Axboe <axboe@fb.com>
The commit 3719c17e18 ("wlcore/wl18xx: fw logger over sdio") introduced a
regression causing the wlcore to time out and go into recovery. Reverting the
changes regarding write of the last partition size brings the module back to
it's functional state.
Fixes: 3719c17e18 ("wlcore/wl18xx: fw logger over sdio")
Reported-by: Ross Green <rgkernel@gmail.com>
Signed-off-by: Emil Goode <emil.fsw@goode.io>
[kvalo@codeaurora.org: improved commit log]
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
A rather large batch of fixes here, almost all in the Intel driver.
The changes that got merged in this merge window for Skylake were rather
large and as well as issues that you'd expect in a large block of new
code there were some problems created for older processors which needed
fixing up. Things are largely settling down now hopefully.
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Merge tag 'asoc-fix-v4.5-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound into for-linus
ASoC: Fixes for v4.5
A rather large batch of fixes here, almost all in the Intel driver.
The changes that got merged in this merge window for Skylake were rather
large and as well as issues that you'd expect in a large block of new
code there were some problems created for older processors which needed
fixing up. Things are largely settling down now hopefully.
This patch fixes vulnerability CVE-2016-2085. The problem exists
because the vm_verify_hmac() function includes a use of memcmp().
Unfortunately, this allows timing side channel attacks; specifically
a MAC forgery complexity drop from 2^128 to 2^12. This patch changes
the memcmp() to the cryptographically safe crypto_memneq().
Reported-by: Xiaofei Rex Guo <xiaofei.rex.guo@intel.com>
Signed-off-by: Ryan Ware <ware@linux.intel.com>
Cc: stable@vger.kernel.org
Signed-off-by: Mimi Zohar <zohar@linux.vnet.ibm.com>
Signed-off-by: James Morris <james.l.morris@oracle.com>
MMUv4 supports 2 concurrent page sizes: Normal and Super [4K to 16M]
So far Linux supported a single super page size for a given Normal page,
depending on the software page walking address split.
e.g. we had 11:8:13 address split for 8K page, which meant super page
was 2 ^(8+13) = 2M (given that THP size has to be PMD_SHIFT)
Now we turn this around, by allowing multiple Super Pages in Kconfig
(currently 2M and 16M only) and forcing page walker address split to
PGDIR_SHIFT and PAGE_SHIFT
For configs without Super page, things are same as before and
PGDIR_SHIFT can be hacked to get non default address split
The motivation for this change is a customer who needs 16M super page
and a 8K Normal page combo.
Signed-off-by: Vineet Gupta <vgupta@synopsys.com>
The "newblock" parameter is not used in convert_initialized_extent(),
remove it.
Signed-off-by: Eryu Guan <guaneryu@gmail.com>
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
I notice ext4/307 fails occasionally on ppc64 host, reporting md5
checksum mismatch after moving data from original file to donor file.
The reason is that move_extent_per_page() calls __block_write_begin()
and block_commit_write() to write saved data from original inode blocks
to donor inode blocks, but __block_write_begin() not only maps buffer
heads but also reads block content from disk if the size is not block
size aligned. At this time the physical block number in mapped buffer
head is pointing to the donor file not the original file, and that
results in reading wrong data to page, which get written to disk in
following block_commit_write call.
This also can be reproduced by the following script on 1k block size ext4
on x86_64 host:
mnt=/mnt/ext4
donorfile=$mnt/donor
testfile=$mnt/testfile
e4compact=~/xfstests/src/e4compact
rm -f $donorfile $testfile
# reserve space for donor file, written by 0xaa and sync to disk to
# avoid EBUSY on EXT4_IOC_MOVE_EXT
xfs_io -fc "pwrite -S 0xaa 0 1m" -c "fsync" $donorfile
# create test file written by 0xbb
xfs_io -fc "pwrite -S 0xbb 0 1023" -c "fsync" $testfile
# compute initial md5sum
md5sum $testfile | tee md5sum.txt
# drop cache, force e4compact to read data from disk
echo 3 > /proc/sys/vm/drop_caches
# test defrag
echo "$testfile" | $e4compact -i -v -f $donorfile
# check md5sum
md5sum -c md5sum.txt
Fix it by creating & mapping buffer heads only but not reading blocks
from disk, because all the data in page is guaranteed to be up-to-date
in mext_page_mkuptodate().
Cc: stable@vger.kernel.org
Signed-off-by: Eryu Guan <guaneryu@gmail.com>
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
This patch adds a line break for proc mb_groups display.
Signed-off-by: Huaitong Han <huaitong.han@intel.com>
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
Reviewed-by: Andreas Dilger <adilger@dilger.ca>
The ext4_ioctl_setflags() function which is used in the ioctls
EXT4_IOC_SETFLAGS and EXT4_IOC_FSSETXATTR may return the positive value
EPERM instead of -EPERM in case of error. This bug was introduced by a
recent commit 9b7365fc.
The following program can be used to illustrate the wrong behavior:
#include <sys/types.h>
#include <sys/ioctl.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <err.h>
#define FS_IOC_GETFLAGS _IOR('f', 1, long)
#define FS_IOC_SETFLAGS _IOW('f', 2, long)
#define FS_IMMUTABLE_FL 0x00000010
int main(void)
{
int fd;
long flags;
fd = open("file", O_RDWR|O_CREAT, 0600);
if (fd < 0)
err(1, "open");
if (ioctl(fd, FS_IOC_GETFLAGS, &flags) < 0)
err(1, "ioctl: FS_IOC_GETFLAGS");
flags |= FS_IMMUTABLE_FL;
if (ioctl(fd, FS_IOC_SETFLAGS, &flags) < 0)
err(1, "ioctl: FS_IOC_SETFLAGS");
warnx("ioctl returned no error");
return 0;
}
Running it gives the following result:
$ strace -e ioctl ./test
ioctl(3, FS_IOC_GETFLAGS, 0x7ffdbd8bfd38) = 0
ioctl(3, FS_IOC_SETFLAGS, 0x7ffdbd8bfd38) = 1
test: ioctl returned no error
+++ exited with 0 +++
Running the program on a kernel with the bug fixed gives the proper result:
$ strace -e ioctl ./test
ioctl(3, FS_IOC_GETFLAGS, 0x7ffdd2768258) = 0
ioctl(3, FS_IOC_SETFLAGS, 0x7ffdd2768258) = -1 EPERM (Operation not permitted)
test: ioctl: FS_IOC_SETFLAGS: Operation not permitted
+++ exited with 1 +++
Signed-off-by: Anton Protopopov <a.s.protopopov@gmail.com>
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
When block group checksum is wrong, we call ext4_error() while holding
group spinlock from ext4_init_block_bitmap() or
ext4_init_inode_bitmap() which results in scheduling while in atomic.
Fix the issue by calling ext4_error() later after dropping the spinlock.
CC: stable@vger.kernel.org
Reported-by: Dmitry Vyukov <dvyukov@google.com>
Signed-off-by: Jan Kara <jack@suse.cz>
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com>
If a /d/binder/proc/[pid] entry is kept open after linux has
torn down the associated process, binder_proc_show can deference
an invalid binder_proc that has been stashed in the debugfs
inode. Validate that the binder_proc ptr passed into binder_proc_show
has not been freed by looking for it within the global process list
whilst the global lock is held. If the ptr is not valid, print nothing.
Cc: Colin Cross <ccross@android.com>
Cc: Arve Hjønnevåg <arve@android.com>
Cc: Dmitry Shmidt <dimitrysh@google.com>
Cc: Rom Lemarchand <romlem@google.com>
Cc: Serban Constantinescu <serban.constantinescu@arm.com>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: Android Kernel Team <kernel-team@android.com>
Signed-off-by: Dmitry Shmidt <dimitrysh@google.com>
[jstultz: Minor commit message tweaks]
Signed-off-by: John Stultz <john.stultz@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This patch replaces timeval with timespec64 as 32 bit 'struct timeval'
will not give current time beyond year 2038.
The patch changes the code to use ktime_get_real_ts64() which returns
a 'struct timespec64' instead of do_gettimeofday() which returns a
'struct timeval'
This patch also alters the format strings in sprintf() for now.tv_sec
and now.tv_nsec to incorporate 'long long' on 32 bit architectures and
leading zeroes respectively.
Signed-off-by: Amitoj Kaur Chawla <amitoj1606@gmail.com>
Reviewed-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Remove unneeded parentheses on the right hand side of assignment
statements.
Semantic patch:
@@
expression a, b, c;
@@
(
a = (b == c)
|
a =
- (
b
- )
)
Signed-off-by: Janani Ravichandran <janani.rvchndrn@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Remove parentheses around the right hand side of assignments as they are
not needed. Semantic patch used:
@@
expression a, b, c;
@@
(
a = (b == c)
|
a =
- (
b
- )
)
Signed-off-by: Janani Ravichandran <janani.rvchndrn@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Prefer using the eth_broadcast_addr() instead of memset to broadcast
address 0xFF to the array.
Signed-off-by: Hari Prasath Gujulan Elango <hgujulan@visteon.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
RTL8188E can only have a maximum of 2 chains so match that in the actual
phy_rx_agc_info structure within phy_status_rpt. This will cause the
other data received from the PHY, such as signal strength indication of
beacons, to properly align and allow extraction and use within the
signal strength record-keeping mechanisms.
Signed-off-by: Andrew Bradford <andrew@bradfordembedded.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
The pfirmware is used only in rtl88eu_download_fw function
(except the kfree(rtlhal->pfirmware) in netdev_close).
The fwsize not used after initialization at all.
The pfirmvare replaced by fw_data and fwsize removed.
Signed-off-by: Ivan Safonov <insafonov@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
The _rtl88e_fill_dummy function replaced by memset in rtl88eu_download_fw.
More appropriate names are used for pfwdata and fwsize variables
(download_data and download_size respectively).
Also u32 replaced by size_t for download_size variable.
Signed-off-by: Ivan Safonov <insafonov@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Remove unnecessary pointer cast. Issue found using the following Coccinelle semantic patch.
@@
type T;
T e;
identifier x;
@@
* T x = (T)e;
Signed-off-by: Janani Ravichandran <janani.rvchndrn@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Use ARRAY_SIZE to calculate the size of an array to make code concise.
The semantic patch used can be found here:
9cbab452a3
Signed-off-by: Janani Ravichandran <janani.rvchndrn@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This patch checks for dma_mapping_error() after using dma_map_single.
If the dma map fails we release skb buff allocated by dev_alloc_skb() to
avoid possible causes of resource leak.
Signed-off-by: Haneen Mohammed <hamohammed.sa@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Remove parentheses around the right hand side of assignment statements
as they are not needed.
Semantic patch:
@@
expression a, b, c;
@@
(
a = (b == c)
|
a =
- (
b
- )
)
Signed-off-by: Janani Ravichandran <janani.rvchndrn@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Simplify function returns by merging assignment and return into
one command line.
Found with Coccinelle
@@
expression e, ret;
@@
-ret =
+return
e;
-return ret;
Signed-off-by: Alison Schofield <amsfield22@gmail.com>
Acked-by: Julia Lawall <julia.lawall@lip6.fr>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Simplify function return by merging assignment and return into
one command line. Remove (now) unused local variable.
Found using Coccinelle:
@@
expression e, ret;
@@
-ret =
+return
e;
-return ret;
Signed-off-by: Alison Schofield <amsfield22@gmail.com>
Acked-by: Julia Lawall <julia.lawall@lip6.fr>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This patch removes commented out code as it contributes to code clutter.
Signed-off-by: Janani Ravichandran <janani.rvchndrn@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Omit the whitespace after '{' brace as suggested by checkpatch.
CHECK: Blank lines aren't necessary after an open brace '{'
Signed-off-by: Eva Rachel Retuya <eraretuya@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Insert the required whitespace after the function declaration as
suggested by checkpatch.
CHECK: Please use a blank line after function/struct/union/enum
declarations
Signed-off-by: Eva Rachel Retuya <eraretuya@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Fix alignment issues by properly indenting function parameters in
accordance to the kernel coding style. Checkpatch pointed out this
issue.
CHECK: Alignment should match open parenthesis
Signed-off-by: Eva Rachel Retuya <eraretuya@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Add the required trailing * on subsequent lines as well as move the */
on a separate line. Checkpatch found this issue.
Signed-off-by: Eva Rachel Retuya <eraretuya@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Use stratight-forward defintion of PANEL_HORIZONTAL_TOTAL register fields
and use open-coded implementation for register manipulations
Signed-off-by: Mike Rapoport <mike.rapoport@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Replace complex definition of I2C_STATUS register fields with BIT() macro
and use open-coded implementation for register manipulation
Signed-off-by: Mike Rapoport <mike.rapoport@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Replace complex definition of I2C_CTRL register fields with BIT() macro and
use open-coded implementation for register manipulation
Signed-off-by: Mike Rapoport <mike.rapoport@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Use more straight-forward definitions for multi-bit fields of
CRT_DISPLAY_CTRL register and use open-coded implementation for register
manipulation
Signed-off-by: Mike Rapoport <mike.rapoport@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Replace complex definition of CRT_DISPLAY_CTRL register fields with
BIT() macro and use open-coded implementation for register manipulation
Signed-off-by: Mike Rapoport <mike.rapoport@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Replace complex definition of DMA_ABORT_INTERRUPT register fields with
BIT() macro and use open-coded implementation for register manipulation
Signed-off-by: Mike Rapoport <mike.rapoport@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
