Remove unneeded variable val_indx.
Issue found by a static analyzer.
Reported-by: Giovanni Cabiddu <giovanni.cabiddu@intel.com>
Signed-off-by: Tadeusz Struk <tadeusz.struk@intel.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Add support for ctr and xts encryption modes.
Signed-off-by: Tadeusz Struk <tadeusz.struk@intel.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Fixes the following sparse warnings:
crypto/skcipher.c:94:5:
warning: symbol 'crypto_init_skcipher_ops_blkcipher'
was not declared. Should it be static?
crypto/skcipher.c:185:5:
warning: symbol 'crypto_init_skcipher_ops_ablkcipher'
was not declared. Should it be static?
Signed-off-by: Geliang Tang <geliangtang@163.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
No authenc() ciphers are FIPS approved, nor is ecb(des).
After the end of 2015, ansi_cprng will also be non-approved.
Signed-off-by: John Haxby <john.haxby@oracle.com>
Acked-by: Stephan Mueller <smueller@chronox.de>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
The sahara driver use two dma_map_sg path according to SG are chained
or not.
Since dma_map_sg can handle both case, clean the code with all
references to sg chained.
Thus removing the sahara_sha_unmap_sg function.
Signed-off-by: LABBE Corentin <clabbe.montjoie@gmail.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
The caam driver use two dma_map_sg path according to SG are chained
or not.
Since dma_map_sg can handle both case, clean the code with all
references to sg chained.
Thus removing dma_map_sg_chained, dma_unmap_sg_chained
and __sg_count functions.
Signed-off-by: LABBE Corentin <clabbe.montjoie@gmail.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
The talitos driver use two dma_map_sg path
according to SG are chained or not.
Since dma_map_sg can handle both case, clean the code with all
references to sg chained.
Thus removing talitos_map_sg, talitos_unmap_sg_chain
and sg_count functions.
Signed-off-by: LABBE Corentin <clabbe.montjoie@gmail.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Some code cleanups after crypto API changes:
- Change qat_algs_unregister to a void function to keep it consistent
with qat_asym_algs_unregister.
- Remove empty functions qat_algs_init & qat_algs_exit.
Signed-off-by: Tadeusz Struk <tadeusz.struk@intel.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Module crc32c-intel uses a special read-only data section named .rotata.
This section is defined for K_table, and its name seems to be a spelling
mistake for .rodata.
Fixes: 473946e674 ("crypto: crc32c-pclmul - Shrink K_table to 32-bit words")
Signed-off-by: Nicolas Iooss <nicolas.iooss_linux@m4x.org>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
The sahara_sg_length function of the sahara driver is the same
as sg_nents_for_len from lib/scatterlist.c
Signed-off-by: LABBE Corentin <clabbe.montjoie@gmail.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
The get_sg_count function of amcc is the same as sg_nents_for_len from
lib/scatterlist.c
Signed-off-by: LABBE Corentin <clabbe.montjoie@gmail.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
The sg_count function in bfin_crc.c is the same function as sg_nents.
Remove the duplicate code and use sg_nents() instead.
Signed-off-by: LABBE Corentin <clabbe.montjoie@gmail.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Restructure the x86 sha512 glue code so we will expose sha512 transforms
based on SSSE3, AVX or AVX2 as separate individual drivers when cpu
provides support. This will make it easy for alternative algorithms to
be used if desired and makes the code cleaner and easier to maintain.
Signed-off-by: Tim Chen <tim.c.chen@linux.intel.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Restructure the x86 sha256 glue code so we will expose sha256 transforms
based on SSSE3, AVX, AVX2 or SHA-NI extension as separate individual
drivers when cpu provides such support. This will make it easy for
alternative algorithms to be used if desired and makes the code cleaner
and easier to maintain.
Signed-off-by: Tim Chen <tim.c.chen@linux.intel.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Restructure the x86 sha1 glue code so we will expose sha1 transforms based
on SSSE3, AVX, AVX2 or SHA-NI extension as separate individual drivers
when cpu provides such support. This will make it easy for alternative
algorithms to be used if desired and makes the code cleaner and easier
to maintain.
Signed-off-by: Tim Chen <tim.c.chen@linux.intel.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
This patch provides the configuration and build support to
include and build the optimized SHA1 and SHA256 update transforms
for the kernel's crypto library.
Originally-by: Chandramouli Narayanan <mouli_7982@yahoo.com>
Signed-off-by: Tim Chen <tim.c.chen@linux.intel.com>
Acked-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
This patch adds the glue code to detect and utilize the Intel SHA
extensions optimized SHA1 and SHA256 update transforms when available.
This code has been tested on Broxton for functionality.
Originally-by: Chandramouli Narayanan <mouli_7982@yahoo.com>
Signed-off-by: Tim Chen <tim.c.chen@linux.intel.com>
Acked-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
This patch includes the Intel SHA Extensions optimized implementation
of SHA-256 update function. This function has been tested on Broxton
platform and measured a speed up of 3.6x over the SSSE3 implementiation
for 4K blocks.
Originally-by: Chandramouli Narayanan <mouli_7982@yahoo.com>
Signed-off-by: Tim Chen <tim.c.chen@linux.intel.com>
Acked-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
This patch includes the Intel SHA Extensions optimized implementation
of SHA-1 update function. This function has been tested on Broxton
platform and measured a speed up of 3.6x over the SSSE3 implementiation
for 4K blocks.
Originally-by: Chandramouli Narayanan <mouli_7982@yahoo.com>
Signed-off-by: Tim Chen <tim.c.chen@linux.intel.com>
Acked-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: Pankaj Dev <pankaj.dev@st.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Acked-by: Kieran Bingham <kieranbingham@gmail.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
If we attempt to use sysfs to change the current RNG in the usual
way i.e. issuing something like:
`echo 8a8a000.rng > /sys/devices/virtual/misc/hw_random/rng_current`
... it will fail because the code doesn't currently take the '\n'
into consideration. Well, now it does.
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Acked-by: Peter Korsgaard <peter@korsgaard.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
In April 2009, commit d405640 ("Driver Core: misc: add node name support
for misc devices.") inadvertently changed the device node name from
/dev/hw_random to /dev/hwrng. Since 6 years has passed since the change
it seems unpractical to change it back, as this node name is probably
considered ABI by now. So instead, we'll just change the Kconfig help
to match the current situation.
NB: It looks like rng-tools have already been updated.
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Acked-by: Kieran Bingham <kieranbingham@gmail.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
In April 2009, commit d405640 ("Driver Core: misc: add node name support
for misc devices.") inadvertently changed the device node name from
/dev/hw_random to /dev/hwrng. Since 6 years has passed since the change
it seems unpractical to change it back, as this node name is probably
considered ABI by now. So instead, we'll just change the documentation
to match the current situation.
NB: It looks like rng-tools have already been updated.
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Acked-by: Kieran Bingham <kieranbingham@gmail.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
hour, min and sec are unsigned int and they can never be less than zero.
Signed-off-by: Sudip Mukherjee <sudip@vectorindia.org>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Load balancing of crypto instances only used a single device.
There was no problem with that on PF, but since there is only
one or two instance per VF we need to loadbalance across devices.
Signed-off-by: Tadeusz Struk <tadeusz.struk@intel.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Commit a1efb01fec ("jump_label, locking/static_keys: Rename
JUMP_LABEL_TYPE_* and related helpers to the static_key* pattern")
introduced the definition of JUMP_TYPE_MASK in
include/linux/jump_label.h causing the following name collision:
In file included from drivers/crypto/caam/desc_constr.h:7:0,
from drivers/crypto/caam/ctrl.c:15:
drivers/crypto/caam/desc.h:1495:0: warning: "JUMP_TYPE_MASK" redefined
#define JUMP_TYPE_MASK (0x03 << JUMP_TYPE_SHIFT)
^
In file included from include/linux/module.h:19:0,
from drivers/crypto/caam/compat.h:9,
from drivers/crypto/caam/ctrl.c:11:
include/linux/jump_label.h:131:0: note: this is the location of the previous definition
#define JUMP_TYPE_MASK 1UL
As JUMP_TYPE_MASK definition in desc.h is never used, we can safely remove
it to avoid the name collision.
Reported-by: Olof's autobuilder <build@lixom.net>
Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
Reviewed-by: Horia Geant? <horia.geanta@freescale.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
This platform drivers have a OF device ID table but the OF module
alias information is not created so module autoloading won't work.
Signed-off-by: Luis de Bethencourt <luisbg@osg.samsung.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
According to Documentation/CodingStyle:
"The preferred form for passing a size of a struct is the following:
p = kmalloc(sizeof(*p), ...);"
,so do as suggested.
Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
There is no need to print a message simply saying that a kernel
driver has been registered, so remove it.
Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
There is no need to pre-initialize variable 'err' as this
initial value will be overwritten later on.
Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
We can simplify the code by returning the error code immediately
instead of jumping to a goto label.
Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
In some cases we don't want iommu to be enabled but still we want to enable VFs.
Signed-off-by: John Griffin <john.griffin@intel.com>
Signed-off-by: Tadeusz Struk <tadeusz.struk@intel.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Use resource managed function devm_hwrng_register instead of
hwrng_register to make the error-path simpler. Also, remove
octeon_rng_remove as it is now redundant.
Signed-off-by: Vaishali Thakkar <vthakkar1994@gmail.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
MX6SL has the same DCP crypto block as in MX23/MX28, so allow it to be
built for ARCH_MXC.
Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
These platform drivers have a OF device ID table but the OF module
alias information is not created so module autoloading won't work.
Signed-off-by: Luis de Bethencourt <luis@debethencourt.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
This platform driver has a OF device ID table but the OF module
alias information is not created so module autoloading won't work.
Signed-off-by: Luis de Bethencourt <luis@debethencourt.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
This platform driver has a OF device ID table but the OF module
alias information is not created so module autoloading won't work.
Signed-off-by: Luis de Bethencourt <luis@debethencourt.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
The output buffer in test_ahash_speed will point to an address located
within the tcrypt module image.
This causes problems when trying to DMA map the buffer.
For e.g. on ARM-based LS1021A, a page fault occurs within the
DMA API when trying to access the struct page returned by
virt_to_page(output):
insmod tcrypt.ko mode=403
testing speed of async sha1 (sha1-caam)
test 0 ( 16 byte blocks, 16 bytes per update, 1 updates):
Unable to handle kernel paging request at virtual address f07e9080
pgd = e58d0e00
[f07e9080] *pgd=80000080007003, *pmd=00000000
Internal error: Oops: 206 [#1] SMP THUMB2
Modules linked in: tcrypt(+)
CPU: 1 PID: 1119 Comm: insmod Not tainted 4.2.0-rc1-256134-gbf433416e675 #1
Hardware name: Freescale LS1021A
task: ea063900 ti: e5a34000 task.ti: e5a34000
PC is at dma_cache_maint_page+0x38/0xd0
LR is at __dma_page_cpu_to_dev+0x15/0x64
pc : [<800155a0>] lr : [<8001564d>] psr: 000f0033
sp : e5a35ca0 ip : 8063df00 fp : f07e9080
r10: 00000cd0 r9 : 8063df00 r8 : 805a2f04
r7 : 0017f804 r6 : 00000002 r5 : ee7f9000 r4 : 00000014
r3 : 80612d40 r2 : 01ff0080 r1 : 00000380 r0 : ee7f9000
Flags: nzcv IRQs on FIQs on Mode SVC_32 ISA Thumb Segment user
Control: 70c5387d Table: e58d0e00 DAC: 9b7ede70
Process insmod (pid: 1119, stack limit = 0xe5a34210)
Stack: (0xe5a35ca0 to 0xe5a36000)
[...]
[<800155a0>] (dma_cache_maint_page) from [<8001564d>] (__dma_page_cpu_to_dev+0x15/0x64)
[<8001564d>] (__dma_page_cpu_to_dev) from [<800156eb>] (arm_dma_map_page+0x1f/0x44)
[<800156eb>] (arm_dma_map_page) from [<802935e3>] (ahash_digest+0x35f/0x510)
[<802935e3>] (ahash_digest) from [<7f800d03>] (test_ahash_speed.constprop.6+0x24a/0x4e4 [tcrypt])
[<7f800d03>] (test_ahash_speed.constprop.6 [tcrypt]) from [<7f802fd5>] (do_test+0x1898/0x2058 [tcrypt])
[<7f802fd5>] (do_test [tcrypt]) from [<7f80802f>] (tcrypt_mod_init+0x2e/0x63 [tcrypt])
[<7f80802f>] (tcrypt_mod_init [tcrypt]) from [<80009517>] (do_one_initcall+0xb3/0x134)
[<80009517>] (do_one_initcall) from [<80351ec7>] (do_init_module+0x3b/0x13c)
[<80351ec7>] (do_init_module) from [<8005cc3f>] (load_module+0x97b/0x9dc)
[<8005cc3f>] (load_module) from [<8005cd8d>] (SyS_finit_module+0x35/0x3e)
[<8005cd8d>] (SyS_finit_module) from [<8000d101>] (ret_fast_syscall+0x1/0x4c)
Code: 1aba 0152 eb00 0b02 (5882) 0f92
addr2line -f -i -e vmlinux 800155a0
page_zonenum
include/linux/mm.h:728
page_zone
include/linux/mm.h:881
dma_cache_maint_page
arch/arm/mm/dma-mapping.c:822
Signed-off-by: Horia Geant? <horia.geanta@freescale.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Pull ARM fixes from Russell King:
"Three fixes and a resulting cleanup for -rc2:
- Andre Przywara reported that he was seeing a warning with the new
cast inside DMA_ERROR_CODE's definition, and fixed the incorrect
use.
- Doug Anderson noticed that kgdb causes a "scheduling while atomic"
bug.
- OMAP5 folk noticed that their Thumb-2 compiled X servers crashed
when enabling support to cover ARMv6 CPUs due to a kernel bug
leaking some conditional context into the signal handler"
* 'fixes' of git://ftp.arm.linux.org.uk/~rmk/linux-arm:
ARM: 8425/1: kgdb: Don't try to stop the machine when setting breakpoints
ARM: 8437/1: dma-mapping: fix build warning with new DMA_ERROR_CODE definition
ARM: get rid of needless #if in signal handling code
ARM: fix Thumb2 signal handling when ARMv6 is enabled
- Fix a memory allocation size in the devfreq core (Xiaolong Ye).
- Fix a mistake in the exynos-ppmu DT binding (Javier Martinez
Canillas).
- Add support for PPMUv2 ((Platform Performance Monitoring Unit
version 2.0) on the Exynos5433 SoCs (Chanwoo Choi).
- Fix a type casting bug in the Exynos PPMU code (MyungJoo Ham).
- Assorted devfreq code cleanups and optimizations (Javi Merino,
MyungJoo Ham, Viresh Kumar).
- Fix up the ACPI cpufreq driver to use a more lightweight way
to get to its private data in the ->get() callback (Rafael J
Wysocki).
- Fix a CONFIG_ prefix bug in one of the ACPI drivers and make
the ACPI subsystem use IS_ENABLED() instead of #ifdefs in
function bodies (Sudeep Holla).
/
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Merge tag 'pm+acpi-4.3-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull power management and ACPI updates from Rafael Wysocki:
"Included are: a somewhat late devfreq update which however is mostly
fixes and cleanups with one new thing only (the PPMUv2 support on
Exynos5433), an ACPI cpufreq driver fixup and two ACPI core cleanups
related to preprocessor directives.
Specifics:
- Fix a memory allocation size in the devfreq core (Xiaolong Ye).
- Fix a mistake in the exynos-ppmu DT binding (Javier Martinez
Canillas).
- Add support for PPMUv2 ((Platform Performance Monitoring Unit
version 2.0) on the Exynos5433 SoCs (Chanwoo Choi).
- Fix a type casting bug in the Exynos PPMU code (MyungJoo Ham).
- Assorted devfreq code cleanups and optimizations (Javi Merino,
MyungJoo Ham, Viresh Kumar).
- Fix up the ACPI cpufreq driver to use a more lightweight way to get
to its private data in the ->get() callback (Rafael J Wysocki).
- Fix a CONFIG_ prefix bug in one of the ACPI drivers and make the
ACPI subsystem use IS_ENABLED() instead of #ifdefs in function
bodies (Sudeep Holla)"
* tag 'pm+acpi-4.3-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
cpufreq: acpi-cpufreq: Use cpufreq_cpu_get_raw() in ->get()
ACPI: Eliminate CONFIG_.*{, _MODULE} #ifdef in favor of IS_ENABLED()
ACPI: int340x_thermal: add missing CONFIG_ prefix
PM / devfreq: Fix incorrect type issue.
PM / devfreq: tegra: Update governor to use devfreq_update_stats()
PM / devfreq: comments for get_dev_status usage updated
PM / devfreq: drop comment about thermal setting max_freq
PM / devfreq: cache the last call to get_dev_status()
PM / devfreq: Drop unlikely before IS_ERR(_OR_NULL)
PM / devfreq: exynos-ppmu: bit-wise operation bugfix.
PM / devfreq: exynos-ppmu: Update documentation to support PPMUv2
PM / devfreq: exynos-ppmu: Add the support of PPMUv2 for Exynos5433
PM / devfreq: event: Remove incorrect property in exynos-ppmu DT binding
in the framework to avoid oops when get_parent ops return out of range
values on tegra platforms.
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Merge tag 'clk-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux
Pull clk fixes from Stephen Boyd:
"A few driver fixes for tegra, rockchip, and st SoCs and a two-liner in
the framework to avoid oops when get_parent ops return out of range
values on tegra platforms"
* tag 'clk-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux:
drivers: clk: st: Rename st_pll3200c32_407_c0_x into st_pll3200c32_cx_x
clk: check for invalid parent index of orphans in __clk_init()
clk: tegra: dfll: Properly protect OPP list
clk: rockchip: add critical clock for rk3368
- Batch of minor fixups to the new hfi1 driver
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Merge tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dledford/rdma
Pull rdma fixes from Doug Ledford:
"The new hfi1 driver in staging/rdma has had a number of fixup patches
since being added to the tree. This is the first batch of those fixes"
* tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dledford/rdma:
IB/hfi: Properly set permissions for user device files
IB/hfi1: mask vs shift confusion
IB/hfi1: clean up some defines
IB/hfi1: info leak in get_ctxt_info()
IB/hfi1: fix a locking bug
IB/hfi1: checking for NULL instead of IS_ERR
IB/hfi1: fix sdma_descq_cnt parameter parsing
IB/hfi1: fix copy_to/from_user() error handling
IB/hfi1: fix pstateinfo from returning improperly byteswapped value
Pull libnvdimm fixes from Dan Williams:
- a boot regression (since v4.2) fix for some ARM configurations from
Tyler
- regression (since v4.1) fixes for mkfs.xfs on a DAX enabled device
from Jeff. These are tagged for -stable.
- a pair of locking fixes from Axel that are hidden from lockdep since
they involve device_lock(). The "btt" one is tagged for -stable, the
other only applies to the new "pfn" mechanism in v4.3.
- a fix for the pmem ->rw_page() path to use wmb_pmem() from Ross.
* 'libnvdimm-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/nvdimm/nvdimm:
mm: fix type cast in __pfn_to_phys()
pmem: add proper fencing to pmem_rw_page()
libnvdimm: pfn_devs: Fix locking in namespace_store
libnvdimm: btt_devs: Fix locking in namespace_store
blockdev: don't set S_DAX for misaligned partitions
dax: fix O_DIRECT I/O to the last block of a blockdev
Pull block updates from Jens Axboe:
"This is a bit bigger than it should be, but I could (did) not want to
send it off last week due to both wanting extra testing, and expecting
a fix for the bounce regression as well. In any case, this contains:
- Fix for the blk-merge.c compilation warning on gcc 5.x from me.
- A set of back/front SG gap merge fixes, from me and from Sagi.
This ensures that we honor SG gapping for integrity payloads as
well.
- Two small fixes for null_blk from Matias, fixing a leak and a
capacity propagation issue.
- A blkcg fix from Tejun, fixing a NULL dereference.
- A fast clone optimization from Ming, fixing a performance
regression since the arbitrarily sized bio's were introduced.
- Also from Ming, a regression fix for bouncing IOs"
* 'for-linus' of git://git.kernel.dk/linux-block:
block: fix bounce_end_io
block: blk-merge: fast-clone bio when splitting rw bios
block: blkg_destroy_all() should clear q->root_blkg and ->root_rl.blkg
block: Copy a user iovec if it includes gaps
block: Refuse adding appending a gapped integrity page to a bio
block: Refuse request/bio merges with gaps in the integrity payload
block: Check for gaps on front and back merges
null_blk: fix wrong capacity when bs is not 512 bytes
null_blk: fix memory leak on cleanup
block: fix bogus compiler warnings in blk-merge.c
Tadeusz Struk