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Now that crypto/cbc.h is only used by the generic cbc template,
we can merge it back into the CBC code.
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Since commit b56f5cbc7e ("crypto:
arm/aes-neonbs - resolve fallback cipher at runtime") the CBC
encryption path in aes-neonbs is now identical to that obtained
through the cbc template. This means that it can simply call
the generic cbc template instead of doing its own thing.
This patch removes the custom encryption path and simply invokes
the generic cbc template.
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Cryptographic algorithms may have a lifespan that is significantly
shorter than Linux's, and so we need to start phasing out algorithms
that are known to be broken, and are no longer fit for general use.
RC4 (or arc4) is a good example here: there are a few areas where its
use is still somewhat acceptable, e.g., for interoperability with legacy
wifi hardware that can only use WEP or TKIP data encryption, but that
should not imply that, for instance, use of RC4 based EAP-TLS by the WPA
supplicant for negotiating TKIP keys is equally acceptable, or that RC4
should remain available as a general purpose cryptographic transform for
all in-kernel and user space clients.
Now that all in-kernel users that need to retain support have moved to
the arc4 library interface, and the known users of ecb(arc4) via the
socket API (iwd [0] and libell [1][2]) have been updated to switch to a
local implementation, we can take the next step, and mark the ecb(arc4)
skcipher as obsolete, and only provide it if the socket API is enabled in
the first place, as well as provide the option to disable all algorithms
that have been marked as obsolete.
[0] https://git.kernel.org/pub/scm/network/wireless/iwd.git/commit/?id=1db8a85a60c64523
[1] https://git.kernel.org/pub/scm/libs/ell/ell.git/commit/?id=53482ce421b727c2
[2] https://git.kernel.org/pub/scm/libs/ell/ell.git/commit/?id=7f6a137809d42f6b
Signed-off-by: Ard Biesheuvel <ardb@kernel.org>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Drop some bogus Kconfig selects that are not entirely accurate, and
unnecessary to begin with, since the same Kconfig options also select
LIB80211 features that already imply the selected functionality (AES
for CCMP, ARC4 and ECB for TKIP)
Signed-off-by: Ard Biesheuvel <ardb@kernel.org>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
The RC4-HMAC-MD5 KerberosV algorithm is based on RFC 4757 [0], which
was specifically issued for interoperability with Windows 2000, but was
never intended to receive the same level of support. The RFC says
The IETF Kerberos community supports publishing this specification as
an informational document in order to describe this widely
implemented technology. However, while these encryption types
provide the operations necessary to implement the base Kerberos
specification [RFC4120], they do not provide all the required
operations in the Kerberos cryptography framework [RFC3961]. As a
result, it is not generally possible to implement potential
extensions to Kerberos using these encryption types. The Kerberos
encryption type negotiation mechanism [RFC4537] provides one approach
for using such extensions even when a Kerberos infrastructure uses
long-term RC4 keys. Because this specification does not implement
operations required by RFC 3961 and because of security concerns with
the use of RC4 and MD4 discussed in Section 8, this specification is
not appropriate for publication on the standards track.
The RC4-HMAC encryption types are used to ease upgrade of existing
Windows NT environments, provide strong cryptography (128-bit key
lengths), and provide exportable (meet United States government
export restriction requirements) encryption. This document describes
the implementation of those encryption types.
Furthermore, this RFC was re-classified as 'historic' by RFC 8429 [1] in
2018, stating that 'none of the encryption types it specifies should be
used'
Note that other outdated algorithms are left in place (some of which are
guarded by CONFIG_SUNRPC_DISABLE_INSECURE_ENCTYPES), so this should only
adversely affect interoperability with Windows NT/2000 systems that have
not received any updates since 2008 (but are connected to a network
nonetheless)
[0] https://tools.ietf.org/html/rfc4757
[1] https://tools.ietf.org/html/rfc8429
Signed-off-by: Ard Biesheuvel <ardb@kernel.org>
Acked-by: J. Bruce Fields <bfields@redhat.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Switch to the ARC4 library interface, to remove the pointless
dependency on the skcipher API, from which we will hopefully be
able to drop ecb(arc4) skcipher support.
Signed-off-by: Ard Biesheuvel <ardb@kernel.org>
Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Switch to the ARC4 library interface, to remove the pointless
dependency on the skcipher API, from which we will hopefully be
able to drop ecb(arc4) skcipher support.
Signed-off-by: Ard Biesheuvel <ardb@kernel.org>
Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
The RNGB can generate 2^20 words (1 word == 4 byte) of 'random' data
after the seed pool was initialized. The pool needs to be reseeded if
more words are required. The reseeding is done automatically since
commit 3acd9ea933 ("hwrng: imx-rngc - use automatic seeding").
We can't retrieve the TRNG values directly so we need a other way to get
the quality level. We know that the PRNG uses 20.000 entropy samples
from the TRNG to generate 2^20 words (1MiB) and the quality level is
defined as (in bits of entropy per 1024 bits of input). So the quality
level can be calculated by:
20.000 * 1024
------------- = ~ 19.5
2^20
Signed-off-by: Marco Felsch <m.felsch@pengutronix.de>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Return -EINVAL for authenc(hmac(sha1),cbc(aes)),
authenc(hmac(sha256),cbc(aes)) and authenc(hmac(sha512),cbc(aes))
if the cipher length is not multiple of the AES block.
This is to prevent an undefined device behaviour.
Fixes: d370cec321 ("crypto: qat - Intel(R) QAT crypto interface")
Cc: <stable@vger.kernel.org>
Signed-off-by: Dominik Przychodni <dominik.przychodni@intel.com>
[giovanni.cabiddu@intel.com: reworded commit message]
Signed-off-by: Giovanni Cabiddu <giovanni.cabiddu@intel.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Use traditional error check pattern
ret = ...;
if (ret)
return ret;
...
instead of checking error code to be 0.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Reviewed-by: Iuliana Prodan <iuliana.prodan@nxp.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
x86_64 zero extends 32bit operations, so for 64bit operands,
XORL r32,r32 is functionally equal to XORQ r64,r64, but avoids
a REX prefix byte when legacy registers are used.
Signed-off-by: Uros Bizjak <ubizjak@gmail.com>
Cc: Herbert Xu <herbert@gondor.apana.org.au>
Cc: "David S. Miller" <davem@davemloft.net>
Acked-by: Jason A. Donenfeld <Jason@zx2c4.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
x86_64 zero extends 32bit operations, so for 64bit operands,
XORL r32,r32 is functionally equal to XORL r64,r64, but avoids
a REX prefix byte when legacy registers are used.
Signed-off-by: Uros Bizjak <ubizjak@gmail.com>
Cc: Herbert Xu <herbert@gondor.apana.org.au>
Cc: "David S. Miller" <davem@davemloft.net>
Acked-by: Jason A. Donenfeld <Jason@zx2c4.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Clang detects a warning for an assignment that doesn't really do
anything. Fix this by removing the offending piece of code.
Fixes: 7694b6ca64 ("crypto: sa2ul - Add crypto driver")
Reported-by: Nathan Chancellor <natechancellor@gmail.com>
Signed-off-by: Tero Kristo <t-kristo@ti.com>
Reviewed-by: Nathan Chancellor <natechancellor@gmail.com>
Tested-by: Nathan Chancellor <natechancellor@gmail.com> # build
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
The endianness marking on the variable v in meson_cipher is wrong.
It is actually in CPU-order, not little-endian.
This patch fixes it.
Fixes: 3d04158814 ("crypto: amlogic - enable working on big...")
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Acked-by: Corentin Labbe <clabbe@baylibre.com>
Tested-by: Corentin Labbe <clabbe@baylibre.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
At Steffen's request, I'll help maintain padata for the foreseeable
future.
While at it, let's have patches go to lkml too since the code is now
used outside of crypto.
Signed-off-by: Daniel Jordan <daniel.m.jordan@oracle.com>
Cc: Herbert Xu <herbert@gondor.apana.org.au>
Cc: Steffen Klassert <steffen.klassert@secunet.com>
Cc: linux-crypto@vger.kernel.org
Cc: linux-kernel@vger.kernel.org
Acked-by: Steffen Klassert <steffen.klassert@secunet.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Remove redundant memzero_explicit() in sun8i_ss_cipher() before calling
kfree_sensitive(). kfree_sensitive() will zero the memory with
memzero_explicit().
Fixes: 453431a549 ("mm, treewide: rename kzfree() to kfree_sensitive()")
Signed-off-by: Denis Efremov <efremov@linux.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Use kfree_sensitive() instead of open-coding it.
Signed-off-by: Denis Efremov <efremov@linux.com>
Acked-by: Antoine Tenart <antoine.tenart@bootlin.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Common pattern of handling deferred probe can be simplified with
dev_err_probe(). Less code and also it prints the error value.
Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Common pattern of handling deferred probe can be simplified with
dev_err_probe(). Less code and also it prints the error value.
Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Common pattern of handling deferred probe can be simplified with
dev_err_probe(). Less code and also it prints the error value.
Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
Acked-by: Hadar Gat <hadar.gat@arm.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
This patch fixes a sparse endianness warning by changing crc32 to
__le32 instead of u32:
CHECK ../arch/powerpc/crypto/crc-vpmsum_test.c
../arch/powerpc/crypto/crc-vpmsum_test.c:102:39: warning: cast from restricted __le32
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
This patch changes a couple u128's to be128 which is the correct
type to use and fixes a few sparse warnings.
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Acked-by: Ard Biesheuvel <ardb@kernel.org>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
This patch adds declarations for variables only used by assembly
code to silence compiler warnings:
CC [M] arch/arm64/crypto/sha1-ce-glue.o
AS [M] arch/arm64/crypto/sha1-ce-core.o
CC [M] arch/arm64/crypto/sha2-ce-glue.o
AS [M] arch/arm64/crypto/sha2-ce-core.o
CHECK ../arch/arm64/crypto/sha1-ce-glue.c
CHECK ../arch/arm64/crypto/sha2-ce-glue.c
../arch/arm64/crypto/sha1-ce-glue.c:38:11: warning: symbol 'sha1_ce_offsetof_count' was not declared. Should it be static?
../arch/arm64/crypto/sha1-ce-glue.c:39:11: warning: symbol 'sha1_ce_offsetof_finalize' was not declared. Should it be static?
../arch/arm64/crypto/sha2-ce-glue.c:38:11: warning: symbol 'sha256_ce_offsetof_count' was not declared. Should it be static?
../arch/arm64/crypto/sha2-ce-glue.c:40:11: warning: symbol 'sha256_ce_offsetof_finalize' was not declared. Should it be static?
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Acked-by: Ard Biesheuvel <ardb@kernel.org>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
This patch adds a prototype for poly1305_blocks_neon to slience
a compiler warning:
CC [M] arch/arm/crypto/poly1305-glue.o
../arch/arm/crypto/poly1305-glue.c:25:13: warning: no previous prototype for `poly1305_blocks_neon' [-Wmissing-prototypes]
void __weak poly1305_blocks_neon(void *state, const u8 *src, u32 len, u32 hibit)
^~~~~~~~~~~~~~~~~~~~
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Acked-by: Jason A. Donenfeld <Jason@zx2c4.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
This patch fixes most of the sparse endianness warnings in stm32.
The patch itself doesn't change anything apart from markings,
but there is some questionable code in stm32_cryp_check_ctr_counter.
That function operates on the counters as if they're in CPU order,
however, they're then written out as big-endian. This looks like
a genuine bug. Therefore I've left that warning alone until
someone can confirm that this really does work as intended on
little-endian.
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
pm_runtime_get_sync() increments the runtime PM usage counter
even when it returns an error code. However, users of cc_pm_get(),
a direct wrapper of pm_runtime_get_sync(), assume that PM usage
counter will not change on error. Thus a pairing decrement is needed
on the error handling path to keep the counter balanced.
Fixes: 8c7849a302 ("crypto: ccree - simplify Runtime PM handling")
Signed-off-by: Dinghao Liu <dinghao.liu@zju.edu.cn>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
This patch squashes all the sparse warnings in mediatek, some of
which appear to be genuine bugs. In particular, previously on
BE the keys and IVs all get 32-bit swabbed which can't be right
because they don't get swabbed on LE. I presume LE is the one
that actually works.
Another funky thing is that the GHASH key gets swabbed on LE.
This makes no sense but I'm presuming someone actually tested
this on LE so I'm preserving the swabbing. Someone needs to
test this though as it is entirely possible that GCM is the
only thing that worked on BE but not LE.
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
As we're already using Kconfig to disable 64-bit builds for this
driver, there is no point in doing it again in the source code.
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Provide an error message for users when pci_request_mem_regions failed.
Signed-off-by: George Acosta <acostag.ubuntu@gmail.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
drivers/crypto/sa2ul.c: In function ‘sa_sha_init’:
drivers/crypto/sa2ul.c:1486:33: warning: cast from pointer to integer of different size [-Wpointer-to-int-cast]
crypto_ahash_digestsize(tfm), (u64)rctx);
^
./include/linux/dev_printk.h:123:47: note: in definition of macro ‘dev_dbg’
dev_printk(KERN_DEBUG, dev, dev_fmt(fmt), ##__VA_ARGS__); \
^~~~~~~~~~~
Use %p to print rctx pointer.
Signed-off-by: YueHaibing <yuehaibing@huawei.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
This patch removes AHASH_REQUEST_ON_STACK which is unused.
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Acked-by: Ard Biesheuvel <ardb@kernel.org>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
This patch adds the helper ahash_alg_instance which is used to
convert a crypto_ahash object into its corresponding ahash_instance.
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
This patch adds the type-safe init_tfm/exit_tfm functions to the
ahash interface. This is meant to replace the unsafe cra_init and
cra_exit interface.
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Building ARM allmodconfig leads to the following warnings:
arch/arm/crypto/curve25519-glue.c:73:12: error: implicit declaration of function 'sg_copy_to_buffer' [-Werror=implicit-function-declaration]
arch/arm/crypto/curve25519-glue.c:74:9: error: implicit declaration of function 'sg_nents_for_len' [-Werror=implicit-function-declaration]
arch/arm/crypto/curve25519-glue.c:88:11: error: implicit declaration of function 'sg_copy_from_buffer' [-Werror=implicit-function-declaration]
Include <linux/scatterlist.h> to fix such warnings
Reported-by: Olof's autobuilder <build@lixom.net>
Fixes: 0c3dc787a6 ("crypto: algapi - Remove skbuff.h inclusion")
Signed-off-by: Fabio Estevam <festevam@gmail.com>
Acked-by: Ard Biesheuvel <ardb@kernel.org>
Acked-by: Jason A. Donenfeld <Jason@zx2c4.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
The stm32 driver was missing a number of includes that we being
pulled in by unrelated header files. As the indirect inclusion
went away, it now fails to build.
This patch adds the missing inclusions.
Reported-by: kernel test robot <lkp@intel.com>
Fixes: 0c3dc787a6 ("crypto: algapi - Remove skbuff.h inclusion")
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
When the devices are removed or not existing, the corresponding algorithms
which are registered by 'hisi-zip' driver can't be used.
Move 'hisi_zip_register_to_crypto' from 'hisi_zip_init' to
'hisi_zip_probe'. The algorithms will be registered to crypto only when
there is device bind on the driver. And when the devices are removed,
the algorithms will be unregistered.
In the previous process, the function 'xxx_register_to_crypto' need a lock
and a static variable to judge if the registration is the first time.
Move this action into the function 'hisi_qm_alg_register'. Each device
will call 'hisi_qm_alg_register' to add itself to qm list in probe process
and registering algs when the qm list is empty.
Signed-off-by: Yang Shen <shenyang39@huawei.com>
Reviewed-by: Zhou Wang <wangzhou1@hisilicon.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Call trace will appear in the Hisilicon crypto driver unbinding or
disabling SRIOV during task running with TFMs on the corresponding
function.
The log looks like this:
[ 293.908078] Call trace:
[ 293.908080] __queue_work+0x494/0x548
[ 293.908081] queue_work_on+0x84/0xd8
[ 293.908092] qm_irq+0x4c/0xd0 [hisi_qm]
[ 293.908096] __handle_irq_event_percpu+0x74/0x2a0
[ 293.908098] handle_irq_event_percpu+0x40/0x98
[ 293.908099] handle_irq_event+0x4c/0x80
[ 293.908101] handle_fasteoi_irq+0xb0/0x170
[ 293.908102] generic_handle_irq+0x3c/0x58
[ 293.908103] __handle_domain_irq+0x68/0xc0
[ 293.908104] gic_handle_irq+0xb4/0x298
[ 293.908105] el1_irq+0xcc/0x180
[ 293.908107] arch_cpu_idle+0x38/0x228
[ 293.908110] default_idle_call+0x20/0x40
[ 293.908113] do_idle+0x1cc/0x2b8
[ 293.908114] cpu_startup_entry+0x2c/0x30
[ 293.908115] rest_init+0xdc/0xe8
[ 293.908117] arch_call_rest_init+0x14/0x1c
[ 293.908117] start_kernel+0x490/0x4c4
This patch adds a waiting logic as user doing the above two operations
to avoid panic. The two operations will hold on in the driver
remove function until the tasks release all their relative TFMs.
Signed-off-by: Hui Tang <tanghui20@huawei.com>
Signed-off-by: Weili Qian <qianweili@huawei.com>
Signed-off-by: Yang Shen <shenyang39@huawei.com>
Reviewed-by: Zhou Wang <wangzhou1@hisilicon.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Since the drivers such as HPRE/SEC/ZIP do not implement
'pci_driver.shutdow', a RAS will be triggered at OS rebooting or shutting
down as the hardware device is processing request.
The log looks like this:
NOTICE: [NimbusSecNodeType1]:[2372L]This is sec, Base = 0x141800000
NOTICE: [NimbusSecHandle]:[2319L] SecIntSt = 0x3
NOTICE: [NimbusSecHandle]:[2320L] SecQmIntStatus = 0x2
NOTICE: [PrintSecurityType]:[344L] SecurityType is RECOVERABLE!
This patch offers a new API in qm to shutdown devices, and add shutdown
callbacks in ACC driver based on this new API.
So the running devices will be stopped when the OS reboot or shutdown.
Signed-off-by: Yang Shen <shenyang39@huawei.com>
Reviewed-by: Zhou Wang <wangzhou1@hisilicon.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
When PF FLR, the hardware will actively trigger the VF FLR. Configuration
space of VF needs to be saved and restored to ensure that it is available
after the PF FLR.
Fixes: 7ce396fa12a9("crypto: hisilicon - add FLR support")
Signed-off-by: Shukun Tan <tanshukun1@huawei.com>
Signed-off-by: Yang Shen <shenyang39@huawei.com>
Reviewed-by: Zhou Wang <wangzhou1@hisilicon.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Now, there are three reasons of stopping: 'NORMAL', 'SOFT_RESET' and 'FLR'.
In order to keep this, explicitly pass the stop reason as an input
parameter of 'hisi_qm_stop' function.
Fixes: b67202e8ed30("crypto: hisilicon/qm - add state machine for QM")
Signed-off-by: Shukun Tan <tanshukun1@huawei.com>
Signed-off-by: Yang Shen <shenyang39@huawei.com>
Reviewed-by: Zhou Wang <wangzhou1@hisilicon.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Increasing depth of 'event queue' from 1024 to 2048, which equals to twice
depth of 'completion queue'. It will fix the easily happened 'event queue
overflow' as using 1024 queue depth for 'event queue'.
Fixes: 263c9959c937("crypto: hisilicon - add queue management driver...")
Signed-off-by: Shukun Tan <tanshukun1@huawei.com>
Signed-off-by: Yang Shen <shenyang39@huawei.com>
Reviewed-by: Zhou Wang <wangzhou1@hisilicon.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
The queue depth is 1024, so the condition for judging the queue full
should be 1023, otherwise the hardware cannot judge whether the queue
is empty or full.
Fixes: 263c9959c937("crypto: hisilicon - add queue management driver...")
Signed-off-by: Hui Tang <tanghui20@huawei.com>
Signed-off-by: Yang Shen <shenyang39@huawei.com>
Reviewed-by: Zhou Wang <wangzhou1@hisilicon.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Requests will be sent continuously as resetting, which will cause 'printk'
flooding. Using 'dev_info_ratelimited' can solve this problem well.
Fixes: b67202e8ed30("crypto: hisilicon/qm - add state machine for QM")
Signed-off-by: Yang Shen <shenyang39@huawei.com>
Reviewed-by: Zhou Wang <wangzhou1@hisilicon.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
The used reference count is used for counting the number of 'sqe' which
is under processing. This reference count should be cleared as starting
'qp', otherwise the 'used' will be messy when allocating this 'qp' again.
Fixes: 5308f6600a39("crypto: hisilicon - QM memory management...")
Signed-off-by: Shukun Tan <tanshukun1@huawei.com>
Signed-off-by: Yang Shen <shenyang39@huawei.com>
Reviewed-by: Zhou Wang <wangzhou1@hisilicon.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Save the string address before pass to strsep, release it at end.
Because strsep will update the string address to point after the
token.
Fixes: c31dc9fe165d("crypto: hisilicon/qm - add DebugFS for xQC and...")
Signed-off-by: Sihang Chen <chensihang1@hisilicon.com>
Signed-off-by: Yang Shen <shenyang39@huawei.com>
Reviewed-by: Zhou Wang <wangzhou1@hisilicon.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
