Halil Pasic [Mon, 29 Aug 2016 16:25:22 +0000 (18:25 +0200)]
tools/virtio/ringtest: fix run-on-all.sh for offline cpus
Since ef1b144d ("tools/virtio/ringtest: fix run-on-all.sh to work
without /dev/cpu") run-on-all.sh uses seq 0 $HOST_AFFINITY as the list
of ids of the CPUs to run the command on (assuming ids of online CPUs
are consecutive and start from 0), where $HOST_AFFINITY is the highest
CPU id in the system previously determined using lscpu. This can fail
on systems with offline CPUs.
Instead let's use lscpu to determine the list of online CPUs.
Signed-off-by: Halil Pasic <[email protected]> Fixes: ef1b144d ("tools/virtio/ringtest: fix run-on-all.sh to work without
/dev/cpu") Reviewed-by: Sascha Silbe <[email protected]> Signed-off-by: Cornelia Huck <[email protected]>
G. Campana [Thu, 19 Jan 2017 21:37:46 +0000 (23:37 +0200)]
virtio_console: fix a crash in config_work_handler
Using control_work instead of config_work as the 3rd argument to
container_of results in an invalid portdev pointer. Indeed, the work
structure is initialized as below:
It leads to a crash when portdev->vdev is dereferenced later. This
bug
is triggered when the guest uses a virtio-console without multiport
feature and receives a config_changed virtio interrupt.
If "head == vq->num" is true on the first iteration then "out" and "in"
aren't initialized. We handle that a few lines after the printk. I was
tempted to just delete the pr_debug() but I decided to just initialize
them to zero instead.
Also checkpatch.pl complains if variables are declared as just
"unsigned" without the "int".
Declare target_core_fabric_ops strucrues as const as they are only
passed as an argument to the functions target_register_template and
target_unregister_template. The arguments are of type const struct
target_core_fabric_ops *, so target_core_fabric_ops structures having
this property can be declared const.
Done using Coccinelle:
Josef Bacik [Thu, 19 Jan 2017 21:08:49 +0000 (16:08 -0500)]
nbd: only set MSG_MORE when we have more to send
A user noticed that write performance was horrible over loopback and we
traced it to an inversion of when we need to set MSG_MORE. It should be
set when we have more bvec's to send, not when we are on the last bvec.
This patch made the test go from 20 iops to 78k iops.
Signed-off-by: Josef Bacik <[email protected]> Fixes: 429a787be679 ("nbd: fix use-after-free of rq/bio in the xmit path") Signed-off-by: Jens Axboe <[email protected]>
Linus Torvalds [Thu, 19 Jan 2017 17:59:46 +0000 (09:59 -0800)]
Merge tag 'pci-v4.10-fixes-1' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci
Pull PCI fixes from Bjorn Helgaas:
- recognize that a PCI-to-PCIe bridge originates a PCIe hierarchy, so
we enumerate that hierarchy correctly
- X-Gene: fix a change merged for v4.10 that broke MSI
- Keystone: avoid reading undefined registers, which can cause
asynchronous external aborts
- Supermicro X8DTH-i/6/iF/6F: ignore broken _CRS that caused us to
change (and break) existing I/O port assignments
* tag 'pci-v4.10-fixes-1' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci:
PCI/MSI: pci-xgene-msi: Fix CPU hotplug registration handling
PCI: Enumerate switches below PCI-to-PCIe bridges
x86/PCI: Ignore _CRS on Supermicro X8DTH-i/6/iF/6F
PCI: designware: Check for iATU unroll only on platforms that use ATU
Linus Torvalds [Thu, 19 Jan 2017 17:46:10 +0000 (09:46 -0800)]
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux
Pull two s390 bug fixes from Martin Schwidefsky:
"Two changes, the first is a fix to add a missing memory clobber to the
inline assembly to load control registers. This has not caused any
issues so far, but who knows what code gcc will generate in future
versions.
The second change is an update for the default configurations. This
includes CONFIG_BUG_ON_DATA_CORRUPTION=y, we want this to be enabled
for s390. The usual approach to debug problems on production systems
is to use crash on a system dump and for us avoiding data corruptions
is priority one"
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux:
s390: update defconfigs
s390/ctl_reg: make __ctl_load a full memory barrier
Mark Rutland [Wed, 18 Jan 2017 17:23:41 +0000 (17:23 +0000)]
arm64: avoid returning from bad_mode
Generally, taking an unexpected exception should be a fatal event, and
bad_mode is intended to cater for this. However, it should be possible
to contain unexpected synchronous exceptions from EL0 without bringing
the kernel down, by sending a SIGILL to the task.
We tried to apply this approach in commit 9955ac47f4ba1c95 ("arm64:
don't kill the kernel on a bad esr from el0"), by sending a signal for
any bad_mode call resulting from an EL0 exception.
However, this also applies to other unexpected exceptions, such as
SError and FIQ. The entry paths for these exceptions branch to bad_mode
without configuring the link register, and have no kernel_exit. Thus, if
we take one of these exceptions from EL0, bad_mode will eventually
return to the original user link register value.
This patch fixes this by introducing a new bad_el0_sync handler to cater
for the recoverable case, and restoring bad_mode to its original state,
whereby it calls panic() and never returns. The recoverable case
branches to bad_el0_sync with a bl, and returns to userspace via the
usual ret_to_user mechanism.
Jason Gerecke [Tue, 17 Jan 2017 23:38:58 +0000 (15:38 -0800)]
HID: wacom: Fix sibling detection regression
Commit 345857b ("HID: wacom: generic: Add support for sensor offsets") included
a change to the operation and location of the call to 'wacom_add_shared_data'
in 'wacom_parse_and_register'. The modifications included moving it higher up
so that it would occur before the call to 'wacom_retrieve_hid_descriptor'. This
was done to prevent a crash that would have occured when the report containing
tablet offsets was fed into the driver with 'wacom_hid_report_raw_event'
(specifically: the various 'wacom_wac_*_report' functions were written with the
assumption that they would only be called once tablet setup had completed;
'wacom_wac_pen_report' in particular dereferences 'shared' which wasn't yet
allocated).
Moving the call to 'wacom_add_shared_data' effectively prevented the crash but
also broke the sibiling detection code which assumes that the HID descriptor
has been read and the various device_type flags set.
To fix this situation, we restore the original 'wacom_add_shared_data'
operation and location and instead implement an alternative change that can
also prevent the crash. Specifically, we notice that the report functions
mentioned above expect to be called only for input reports. By adding a check,
we can prevent feature reports (such as the offset report) from
causing trouble.
Vineet Gupta [Wed, 18 Jan 2017 23:10:52 +0000 (15:10 -0800)]
ARC: mm: split arc_cache_init to allow __init reaping of bulk
arc_cache_init() is called for each core so can't be tagged __init.
However bulk of it is only executed by master core and thus is candidate
for __init reaping.
Olof Johansson [Thu, 19 Jan 2017 00:11:03 +0000 (16:11 -0800)]
Merge tag 'omap-for-v4.10/fixes-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into fixes
Fixes for omaps for v4.10-rc cycle. Mostly a DMA regression fix for
omap1, and then a handful of trivial fixes for boards and devices to
work:
- Fixes TI wilink bluetooth strange platform data baud rate
- Remove duplicate pinmux line for am335x-icev2
- Fix omap1 dma regression
- Fix uninitialized return value for wkup_m3_ipc_probe()
- Fix Ethernet PHY binding typo for dra72-evm
- Fix init for omap5 and dra7 sata ports
- Fix mmc card detect pin for Logic PD SOM-LV
* tag 'omap-for-v4.10/fixes-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap:
ARM: dts: omap3: Fix Card Detect and Write Protect on Logic PD SOM-LV
ARM: dts: OMAP5 / DRA7: indicate that SATA port 0 is available.
ARM: dts: dra72-evm-revc: fix typo in ethernet-phy node
soc: ti: wkup_m3_ipc: Fix error return code in wkup_m3_ipc_probe()
ARM: OMAP1: DMA: Correct the number of logical channels
ARM: dts: am335x-icev2: Remove the duplicated pinmux setting
ARM: OMAP2+: Fix WL1283 Bluetooth Baud Rate
Vineet Gupta [Wed, 18 Jan 2017 20:59:21 +0000 (12:59 -0800)]
ARCv2: IOC: Use actual memory size to setup aperture size
vs. fixed 512M before.
But this still assumes that all of memory is under IOC which may not be
true for the SoC. Improve that later when this becomes a real issue, by
specifying this from DT.
Jaechul Lee [Wed, 18 Jan 2017 22:35:42 +0000 (14:35 -0800)]
Input: tm2-touchkey - add touchkey driver support for TM2
This patch adds support for the TM2 touch key and led functionality.
The driver interfaces with userspace through an input device and reports
KEY_PHONE and KEY_BACK event types. LED brightness can be controlled by
"/sys/class/leds/tm2-touchkey/brightness".
Vineet Gupta [Wed, 22 Jun 2016 10:31:19 +0000 (16:01 +0530)]
ARCv2: IOC: Adhere to progamming model guidelines to avoid DMA corruption
On AXS103 release bitfiles, DMA data corruptions were seen because IOC
setup was not following the recommended way in documentation.
Flipping IOC on when caches are enabled or coherency transactions are in
flight, might cause some of the memory operations to not observe
coherency as expected.
So strictly follow the programming model recommendations as documented
in comment header above arc_ioc_setup()
Guenter Roeck [Wed, 18 Jan 2017 19:36:25 +0000 (11:36 -0800)]
Input: bfin_rotary - switch to using devm_add_action_or_reset()
Use local variable 'dev' instead of dereferencing it several times and
replace devm_add_action() and manual error handling with
devm_add_action_or_reset().
Guenter Roeck [Wed, 18 Jan 2017 19:21:24 +0000 (11:21 -0800)]
Input: atmel-wm97xx - drop unnecessary error messages
Error messages after memory allocation failures are unnecessary and
can be dropped, especially give that they were emitted as dev_dbg() so
noone except person actively debugging the driver would see them.
Guenter Roeck [Wed, 18 Jan 2017 19:12:00 +0000 (11:12 -0800)]
Input: at32psif - drop unnecessary error messages and other changes
Error messages after memory allocation failures are unnecessary and
can be dropped, given that they are emitted as dev_dbg() so nobody except
person actively debugging the driver would see them.
Also replace jump to return 'goto l; ... l: return e;' with 'return e;'
Guenter Roeck [Wed, 18 Jan 2017 18:37:49 +0000 (10:37 -0800)]
Input: cros_ec_keyb - drop unnecessary call to dev_set_drvdata and other changes
There is no call to platform_get_drvdata() or dev_get_drvdata().
Drop the unnecessary call to dev_set_drvdata().
Other relevant changes:
Use existing variable 'dev' instead of dereferencing it several times
This conversion was done automatically with coccinelle using the
following semantic patches. The semantic patches and the scripts
used to generate this commit log are available at
https://github.com/groeck/coccinelle-patches
- Drop dev_set_drvdata()
- Use local variable 'struct device *dev' consistently
Vineet Gupta [Mon, 16 Jan 2017 18:48:09 +0000 (10:48 -0800)]
ARC: module: Fix !CONFIG_ARC_DW2_UNWIND builds
commit d65283f7b695b5 added mod->arch.secstr under
CONFIG_ARC_DW2_UNWIND, but used it unconditionally which broke builds
when the option was disabled. Fix that by adjusting the #ifdef guard.
And while at it add a missing guard (for unwinder) in module.c as well
Reported-by: Waldemar Brodkorb <[email protected]> Cc: [email protected] #4.9 Fixes: d65283f7b695b5 ("ARC: module: elide loop to save reference to .eh_frame") Tested-by: Anton Kolesov <[email protected]> Reviewed-by: Alexey Brodkin <[email protected]>
[abrodkin: provided fixlet to Kconfig per failure in allnoconfig build] Signed-off-by: Vineet Gupta <[email protected]>
Linus Torvalds [Wed, 18 Jan 2017 19:13:41 +0000 (11:13 -0800)]
Merge branch 'smp-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull SMP hotplug update from Thomas Gleixner:
"This contains a trivial typo fix and an extension to the core code for
dynamically allocating states in the prepare stage.
The extension is necessary right now because we need a proper way to
unbreak LTTNG, which iscurrently non functional due to the removal of
the notifiers. Surely it's out of tree, but it's widely used by
distros.
The simple solution would have been to reserve a state for LTTNG, but
I'm not fond about unused crap in the kernel and the dynamic range,
which we admittedly should have done right away, allows us to remove
quite some of the hardcoded states, i.e. those which have no ordering
requirements. So doing the right thing now is better than having an
smaller intermediate solution which needs to be reworked anyway"
* 'smp-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
cpu/hotplug: Provide dynamic range for prepare stage
perf/x86/amd/ibs: Fix typo after cleanup state names in cpu/hotplug
Linus Torvalds [Wed, 18 Jan 2017 18:47:11 +0000 (10:47 -0800)]
Merge branch 'rcu-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull RCU fixes from Ingo Molnar:
"This fixes sporadic ACPI related hangs in synchronize_rcu() that were
caused by the ACPI code mistakenly relying on an aspect of RCU that
was neither promised to work nor reliable but which happened to work -
until in v4.9 we changed the RCU implementation, which made the hangs
more prominent.
Since the mis-use of the RCU facility wasn't properly detected and
prevented either, these fixes make the RCU side work reliably instead
of working around the problem in the ACPI code.
Hence the slightly larger diffstat that goes beyond the normal scope
of RCU fixes in -rc kernels"
* 'rcu-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
rcu: Narrow early boot window of illegal synchronous grace periods
rcu: Remove cond_resched() from Tiny synchronize_sched()
Linus Torvalds [Wed, 18 Jan 2017 18:45:22 +0000 (10:45 -0800)]
Merge branch 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull perf fixes from Ingo Molnar:
"An Intel PMU driver hotplug fix and three 'perf probe' tooling fixes"
* 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
perf/x86/intel: Handle exclusive threadid correctly on CPU hotplug
perf probe: Fix to probe on gcc generated functions in modules
perf probe: Add error checks to offline probe post-processing
perf probe: Fix to show correct locations for events on modules
Dave Martin [Wed, 18 Jan 2017 16:25:24 +0000 (16:25 +0000)]
arm64/ptrace: Reject attempts to set incomplete hardware breakpoint fields
We cannot preserve partial fields for hardware breakpoints, because
the values written by userspace to the hardware breakpoint
registers can't subsequently be recovered intact from the hardware.
So, just reject attempts to write incomplete fields with -EINVAL.
Jeff Layton [Thu, 12 Jan 2017 19:42:39 +0000 (14:42 -0500)]
ceph: fix endianness bug in frag_tree_split_cmp
sparse says:
fs/ceph/inode.c:308:36: warning: incorrect type in argument 1 (different base types)
fs/ceph/inode.c:308:36: expected unsigned int [unsigned] [usertype] a
fs/ceph/inode.c:308:36: got restricted __le32 [usertype] frag
fs/ceph/inode.c:308:46: warning: incorrect type in argument 2 (different base types)
fs/ceph/inode.c:308:46: expected unsigned int [unsigned] [usertype] b
fs/ceph/inode.c:308:46: got restricted __le32 [usertype] frag
We need to convert these values to host-endian before calling the
comparator.
Fixes: a407846ef7c6 ("ceph: don't assume frag tree splits in mds reply are sorted") Signed-off-by: Jeff Layton <[email protected]> Reviewed-by: Sage Weil <[email protected]> Signed-off-by: Ilya Dryomov <[email protected]>
commit d32932d02e18 removed the irq_retrigger callback from the IO-APIC
chip and did not add it to the new IO-APIC-IR irq chip.
Unfortunately the software resend fallback is not enabled on X86, so edge
interrupts which are received during the lazy disabled state of the
interrupt line are not retriggered and therefor lost.
Amir Goldstein [Wed, 18 Jan 2017 14:19:54 +0000 (15:19 +0100)]
ovl: fix possible use after free on redirect dir lookup
ovl_lookup_layer() iterates on path elements of d->name.name
but also frees and allocates a new pointer for d->name.name.
For the case of lookup in upper layer, the initial d->name.name
pointer is stable (dentry->d_name), but for lower layers, the
initial d->name.name can be d->redirect, which can be freed during
iteration.
[SzM]
Keep the count of remaining characters in the redirect path and calculate
the current position from that. This works becuase only the prefix is
modified, the ending always stays the same.
The arm64 __page_to_voff() macro takes a parameter called 'page', and
also refers to 'struct page'. Thus, if the value passed in is not
called 'page', we'll refer to the wrong struct name (which might not
exist).
Tobias Klauser [Tue, 17 Jan 2017 14:35:01 +0000 (15:35 +0100)]
cpu/hotplug: Remove unused but set variable in _cpu_down()
After the recent removal of the hotplug notifiers the variable 'hasdied' in
_cpu_down() is set but no longer read, leading to the following GCC warning
when building with 'make W=1':
kernel/cpu.c:767:7: warning: variable ‘hasdied’ set but not used [-Wunused-but-set-variable]
powerpc/perf: Use MSR to report privilege level on P9 DD1
SIER and SIAR are not updated correctly for some samples, so force the
use of MSR and regs->nip instead for misc_flag updates. This is done by
adding a new ppmu flag and updating the use_siar logic in
perf_read_regs() to use it, and dropping the PPMU_HAS_SIER flag.
Signed-off-by: Madhavan Srinivasan <[email protected]>
[mpe: Rename flag to PPMU_NO_SIAR, and also drop PPMU_HAS_SIER] Signed-off-by: Michael Ellerman <[email protected]>
Gavin Shan [Thu, 5 Jan 2017 23:39:49 +0000 (10:39 +1100)]
powerpc/eeh: Enable IO path on permanent error
We give up recovery on permanent error, simply shutdown the affected
devices and remove them. If the devices can't be put into quiet state,
they spew more traffic that is likely to cause another unexpected EEH
error. This was observed on "p8dtu2u" machine:
On P8 PowerNV platform, the IO path is frozen when shutdowning the
devices, meaning the memory registers are inaccessible. It is why
the devices can't be put into quiet state before removing them.
This fixes the issue by enabling IO path prior to putting the devices
into quiet state.
When we switched to big endian page table, we never updated the hugepd
format such that it can work for both big endian and little endian
config. This patch series update hugepd format such that it is looked at
as __be64 value in big endian page table config.
This patch also switch hugepd_t.pd from signed long to unsigned long.
I did update the FSL hugepd_ok check to check for the top bit instead
of checking > 0.
Fixes: 5dc1ef858c12 ("powerpc/mm: Use big endian Linux page tables for book3s 64") Cc: [email protected] # v4.7+ Signed-off-by: Aneesh Kumar K.V <[email protected]> Signed-off-by: Michael Ellerman <[email protected]>
Nicholas Piggin [Tue, 3 Jan 2017 15:55:17 +0000 (01:55 +1000)]
powerpc: Fix pgtable pmd cache init
Commit 9b081e10805cd ("powerpc: port 64 bits pgtable_cache to 32 bits")
mixed up PMD_INDEX_SIZE and PMD_CACHE_INDEX a couple of times. This
resulted in 64s/hash/4k configs to panic at boot with a false positive
error check.
Fix that and simplify error handling by moving the check to the caller.
Fixes: 9b081e10805cd ("powerpc: port 64 bits pgtable_cache to 32 bits") Signed-off-by: Nicholas Piggin <[email protected]> Signed-off-by: Michael Ellerman <[email protected]>
Linus Torvalds [Tue, 17 Jan 2017 22:49:21 +0000 (14:49 -0800)]
Merge tag 'modules-for-v4.10-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/jeyu/linux
Pull modules fix from Jessica Yu:
- fix out-of-tree module breakage when it supplies its own definitions
of true and false
* tag 'modules-for-v4.10-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/jeyu/linux:
taint/module: Fix problems when out-of-kernel driver defines true or false
Maxime Ripard [Tue, 17 Jan 2017 21:24:22 +0000 (13:24 -0800)]
Input: tca8418 - use the interrupt trigger from the device tree
The TCA8418 might be used using different interrupt triggers on various
boards. This is not working so far because the current code forces a
falling edge trigger.
The device tree already provides a trigger type, so let's use whatever it
sets up, and since we can be loaded without DT, keep the old behaviour for
the non-DT case.
Adam Ford [Tue, 17 Jan 2017 19:34:06 +0000 (13:34 -0600)]
ARM: dts: omap3: Fix Card Detect and Write Protect on Logic PD SOM-LV
This fixes commit ab8dd3aed011 ("ARM: DTS: Add minimal Support for
Logic PD DM3730 SOM-LV") where the Card Detect and Write Protect
pins were improperly configured.
Fixes: ab8dd3aed011 ("ARM: DTS: Add minimal Support for
Logic PD DM3730 SOM-LV") Signed-off-by: Adam Ford <[email protected]> Signed-off-by: Tony Lindgren <[email protected]>
The current hardware is not able to run with all cores enabled at a
cluster frequency superior at 1536MHz.
But the currently shipped u-boot for the platform still reports an OPP
table with possible DVFS frequency up to 2GHz, and will not change since
the off-tree linux tree supports limiting the OPPs with a kernel parameter.
A recent u-boot change reports the boot-time DVFS around 100MHz and
the default performance cpufreq governor sets the maximum frequency.
Previous version of u-boot reported to be already at the max OPP and
left the OPP as is.
Nevertheless, other governors like ondemand could setup the max frequency
and make the system crash.
This patch disables the DVFS clock and disables cpufreq.
Fixes: 70db166a2baa ("ARM64: dts: meson-gxbb: Add SCPI with cpufreq & sensors Nodes") Signed-off-by: Neil Armstrong <[email protected]> Signed-off-by: Kevin Hilman <[email protected]> Signed-off-by: Olof Johansson <[email protected]>
Eric Sandeen [Tue, 17 Jan 2017 19:43:38 +0000 (11:43 -0800)]
xfs: don't wrap ID in xfs_dq_get_next_id
The GETNEXTQOTA ioctl takes whatever ID is sent in,
and looks for the next active quota for an user
equal or higher to that ID.
But if we are at the maximum ID and then ask for the "next"
one, we may wrap back to zero. In this case, userspace
may loop forever, because it will start querying again
at zero.
We'll fix this in userspace as well, but for the kernel,
return -ENOENT if we ask for the next quota ID
past UINT_MAX so the caller knows to stop.
Amir Goldstein [Tue, 17 Jan 2017 19:41:44 +0000 (11:41 -0800)]
xfs: sanity check inode mode when creating new dentry
The helper xfs_dentry_to_name() is used by 2 different
classes of callers: Callers that pass zero mode and don't care
about the returned name.type field and Callers that pass
non zero mode and do care about the name.type field.
Change xfs_dentry_to_name() to not take the mode argument and
change the call sites of the first class to not pass the mode
argument.
Create a new helper xfs_dentry_mode_to_name() which does pass
the mode argument and returns -EFSCORRUPTED if mode is invalid.
Callers that translate non zero mode to on-disk file type now
check the return value and will export the error to user instead
of staging an invalid file type to be written to directory entry.
Amir Goldstein [Tue, 17 Jan 2017 19:41:42 +0000 (11:41 -0800)]
xfs: add missing include dependencies to xfs_dir2.h
xfs_dir2.h dereferences some data types in inline functions
and fails to include those type definitions, e.g.:
xfs_dir2_data_aoff_t, struct xfs_da_geometry.
Amir Goldstein [Tue, 17 Jan 2017 19:41:41 +0000 (11:41 -0800)]
xfs: sanity check directory inode di_size
This changes fixes an assertion hit when fuzzing on-disk
i_mode values.
The easy case to fix is when changing an empty file
i_mode to S_IFDIR. In this case, xfs_dinode_verify()
detects an illegal zero size for directory and fails
to load the inode structure from disk.
For the case of non empty file whose i_mode is changed
to S_IFDIR, the ASSERT() statement in xfs_dir2_isblock()
is replaced with return -EFSCORRUPTED, to avoid interacting
with corrupted jusk also when XFS_DEBUG is disabled.
James Bottomley [Sun, 1 Jan 2017 17:39:24 +0000 (09:39 -0800)]
scsi: mpt3sas: fix hang on ata passthrough commands
mpt3sas has a firmware failure where it can only handle one pass through
ATA command at a time. If another comes in, contrary to the SAT
standard, it will hang until the first one completes (causing long
commands like secure erase to timeout). The original fix was to block
the device when an ATA command came in, but this caused a regression
with
scsi: srp_transport: Move queuecommand() wait code to SCSI core
So fix the original fix of the secure erase timeout by properly
returning SAM_STAT_BUSY like the SAT recommends. The original patch
also had a concurrency problem since scsih_qcmd is lockless at that
point (this is fixed by using atomic bitops to set and test the flag).
[mkp: addressed feedback wrt. test_bit and fixed whitespace]
Quinn Tran [Sat, 24 Dec 2016 02:06:14 +0000 (18:06 -0800)]
qla2xxx: Disable out-of-order processing by default in firmware
Out of order(OOO) processing requires initiator, switch
and target to support OOO. In today's environment, none
of the switches support OOO. OOO requires extra buffer
space which affect performance. By turning ON this feature
in QLogic's FW, it delays error recovery because dropped
frame is treated as out of order frame. We're turning OFF
this option of speed up error recovery.
Quinn Tran [Sat, 24 Dec 2016 02:06:11 +0000 (18:06 -0800)]
qla2xxx: Terminate exchange if corrupted
Corrupted ATIO is defined as length of fcp_header & fcp_cmd
payload is less than 0x38. It's the minimum size for a frame to
carry 8..16 bytes SCSI CDB. The exchange will be dropped or
terminated if corrupted.
Quinn Tran [Sat, 24 Dec 2016 02:06:10 +0000 (18:06 -0800)]
qla2xxx: Fix crash due to null pointer access
During code inspection, while investigating following stack trace
seen on one of the test setup, we found out there was possibility
of memory leak becuase driver was not unwinding the stack properly.
This issue has not been reproduced in a test environment or on a
customer setup.
Damien Le Moal [Thu, 12 Jan 2017 06:25:11 +0000 (15:25 +0900)]
scsi: sd: Ignore zoned field for host-managed devices
There is no good match of the zoned field of the block device
characteristics page for host-managed devices. For these devices, the
zoning model is derived directly from the device type. So ignore the
zoned field for these drives.
Damien Le Moal [Thu, 12 Jan 2017 06:25:10 +0000 (15:25 +0900)]
scsi: sd: Fix wrong DPOFUA disable in sd_read_cache_type
Zoned block devices force the use of READ/WRITE(16) commands by setting
sdkp->use_16_for_rw and clearing sdkp->use_10_for_rw. This result in
DPOFUA always being disabled for these drives as the assumed use of
the deprecated READ/WRITE(6) commands only looks at sdkp->use_10_for_rw.
Strenghten the test by also checking that sdkp->use_16_for_rw is false.
scsi: bfa: fix wrongly initialized variable in bfad_im_bsg_els_ct_request()
Commit 01e0e15c8b3b ("scsi: don't use fc_bsg_job::request and
fc_bsg_job::reply directly") introduced a typo, which causes that the
bsg_request variable in bfad_im_bsg_els_ct_request() is initialized to
itself instead of pointing to the bsg job's request.
Ewan D. Milne [Mon, 9 Jan 2017 21:33:36 +0000 (16:33 -0500)]
scsi: ses: Fix SAS device detection in enclosure
The call to scsi_is_sas_rphy() needs to be made on the SAS end_device,
not on the SCSI device.
Fixes: 835831c57e9b ("ses: use scsi_is_sas_rphy instead of is_sas_attached") Signed-off-by: Ewan D. Milne <[email protected]> Reviewed-by: Johannes Thumshirn <[email protected]> Reviewed-by: James Bottomley <[email protected]> Signed-off-by: Martin K. Petersen <[email protected]>
Larry Finger [Mon, 2 Jan 2017 02:25:25 +0000 (20:25 -0600)]
taint/module: Fix problems when out-of-kernel driver defines true or false
Commit 7fd8329ba502 ("taint/module: Clean up global and module taint
flags handling") used the key words true and false as character members
of a new struct. These names cause problems when out-of-kernel modules
such as VirtualBox include their own definitions of true and false.
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