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Free memory region, if arm_pmu_acpi_probe is not successful.
Acked-by: Will Deacon <will.deacon@arm.com>
Signed-off-by: Arvind Yadav <arvind.yadav.cs@gmail.com>
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
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of_pci_iommu_init() tries to be clever and stop its alias walk at the
device represented by master_np, in case of weird PCI topologies where
the bridge to the IOMMU and the rest of the system is not at the root.
It turns out this is a bit short-sighted, since there are plenty of
other callers of pci_for_each_dma_alias() which would also need the same
behaviour in that situation, and the only platform so far with such a
topology (Cavium ThunderX2) already solves it more generally via a PCI
quirk. As this check is effectively redundant, and returning a boolean
value as an int is a bit broken anyway, let's just get rid of it.
Reported-by: Jean-Philippe Brucker <jean-philippe.brucker@arm.com>
Fixes: d87beb749281 ("iommu/of: Handle PCI aliases properly")
Signed-off-by: Robin Murphy <robin.murphy@arm.com>
Tested-by: Jean-Philippe Brucker <jean-philippe.brucker@arm.com>
Signed-off-by: Joerg Roedel <jroedel@suse.de>
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Add support to explicity ACK mailbox message
because after sending message we can know
the send status via error attribute of brcm_message.
This is needed to support "txdone_ack" supported in
mailbox controller driver.
Fixes: 9d12ba86f818 ("crypto: brcm - Add Broadcom SPU driver")
Signed-off-by: Raveendra Padasalagi <raveendra.padasalagi@broadcom.com>
Reviewed-by: Anup Patel <anup.patel@broadcom.com>
Reviewed-by: Scott Branden <scott.branden@broadcom.com>
Cc: stable@vger.kernel.org
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Fix checkpatch.pl warnings:
WARNING: void function return statements are not generally useful
FILE: crypto/rmd128.c:218:
FILE: crypto/rmd160.c:261:
FILE: crypto/rmd256.c:233:
FILE: crypto/rmd320.c:280:
FILE: crypto/tcrypt.c:385:
FILE: drivers/crypto/ixp4xx_crypto.c:538:
FILE: drivers/crypto/marvell/cesa.c:81:
FILE: drivers/crypto/ux500/cryp/cryp_core.c:1755:
Signed-off-by: Geliang Tang <geliangtang@gmail.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Use PTR_ERROR_ZERO rather than if(IS_ERR(...)) + PTR_ERR.
Build successfully.
Signed-off-by: Himanshu Jha <himanshujha199640@gmail.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Kfree on NULL pointer is a no-op and therefore checking is redundant.
Signed-off-by: Himanshu Jha <himanshujha199640@gmail.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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kfree on NULL pointer is a no-op and therefore checking it is redundant.
Signed-off-by: Himanshu Jha <himanshujha199640@gmail.com>
Acked-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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x86_cpu_id are not supposed to change at runtime. MODULE_DEVICE_TABLE
and x86_match_cpu are working with const x86_cpu_id. So mark the
non-const x86_cpu_id structs as const.
Signed-off-by: Arvind Yadav <arvind.yadav.cs@gmail.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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x86_cpu_id are not supposed to change at runtime. MODULE_DEVICE_TABLE
and x86_match_cpu are working with const x86_cpu_id. So mark the
non-const x86_cpu_id structs as const.
Signed-off-by: Arvind Yadav <arvind.yadav.cs@gmail.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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This patch improves the readability of various functions,
by replacing various void* pointers declarations with
their respective structs *. This makes it possible to go
for the eye-friendly array-indexing methods.
Signed-off-by: Christian Lamparter <chunkeey@googlemail.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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If one of the later memory allocations in rypto4xx_build_pdr()
fails: dev->pdr (and/or) dev->pdr_uinfo wouldn't be freed.
crypto4xx_build_sdr() has the same issue with dev->sdr.
Signed-off-by: Christian Lamparter <chunkeey@googlemail.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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scatter_buffer_size is always set to PPC4XX_SD_BUFFER_SIZE.
I don't think there's any point in keeping the variable
around.
Signed-off-by: Christian Lamparter <chunkeey@googlemail.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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This patch refactors the crypto4xx_copy_pkt_to_dst() to use
scatterwalk_map_and_copy() to copy the processed data between
the crypto engine's scatter ring buffer and the destination
specified by the ablkcipher_request.
This also makes the crypto4xx_fill_one_page() function redundant.
Signed-off-by: Christian Lamparter <chunkeey@googlemail.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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The crypto engine supports more than just aes-cbc. This patch
enables the remaining AES block cipher modes that pass the
testmanager's test vectors.
Signed-off-by: Christian Lamparter <chunkeey@googlemail.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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This patch refactors and moves the dynamic_contents helper
functions into the crypto4xx_sa.h header file.
* get_dynamic_sa_iv_size is no longer needed, as the cryptoapi
provides the required IV size information as well.
* refactor the function declarations to use the a pointer to the
dynamic_sa_contents union, instead of the crypto4xx_ctx.
* rename get_dynamic_sa_offset_key_field to get_dynamic_sa_key_field.
It returns the pointer to the key directly.
Signed-off-by: Christian Lamparter <chunkeey@googlemail.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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The driver had a union dynamic_sa_contents in place that
described the meaning of the bits in the sa_contents
variable.
Signed-off-by: Christian Lamparter <chunkeey@googlemail.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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crypto4xx_put_pd_to_pdr() already clears the flag.
Signed-off-by: Christian Lamparter <chunkeey@googlemail.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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All function declarations are "extern" by default, there is no need to
specify it explicitly.
For C99 states in 6.2.2.5:
"If the declaration of an identifier for a function has no
storage-class specifier, its linkage is determined exactly
as if it were declared with the storage-class specifier
extern."
Signed-off-by: Christian Lamparter <chunkeey@googlemail.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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The security offload function is performed by a cryptographic
engine core attached to the 128-bit PLB (processor local bus)
with builtin DMA and interrupt controllers. This, I think,
satisfies the requirement for the CRYPTO_ALG_KERN_DRIVER_ONLY
flag.
Signed-off-by: Christian Lamparter <chunkeey@googlemail.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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This patch removes several unused code and definitons
(structs, variables, ...).
Signed-off-by: Christian Lamparter <chunkeey@googlemail.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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alg entries are only added to the list, after the registration
was successful. If the registration failed, it was never added
to the list in the first place.
Signed-off-by: Christian Lamparter <chunkeey@googlemail.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Samsung exynos PRNG driver is using crypto framework instead of
hw_random framework. So move the devicetree binding to crypto folder.
Signed-off-by: PrasannaKumar Muralidharan <prasannatsmkumar@gmail.com>
Reviewed-by: Krzysztof Kozlowski <krzk@kernel.org>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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In read routiene max is always >= 4. The check whether 'max < 4' is not
necessary. Remove it.
Signed-off-by: PrasannaKumar Muralidharan <prasannatsmkumar@gmail.com>
Acked-By: Rick Altherr <raltherr@google.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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This patch replace GCM IV size value by their constant name.
Signed-off-by: Corentin Labbe <clabbe.montjoie@gmail.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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This patch replace GCM IV size value by their constant name.
Signed-off-by: Corentin Labbe <clabbe.montjoie@gmail.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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This patch replace GCM IV size value by their constant name.
Signed-off-by: Corentin Labbe <clabbe.montjoie@gmail.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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This patch replace GCM IV size value by their constant name.
Signed-off-by: Corentin Labbe <clabbe.montjoie@gmail.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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This patch replace GCM IV size value by their constant name.
Signed-off-by: Corentin Labbe <clabbe.montjoie@gmail.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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This patch replace GCM IV size value by their constant name.
Signed-off-by: Corentin Labbe <clabbe.montjoie@gmail.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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This patch replace GCM IV size value by their constant name.
Signed-off-by: Corentin Labbe <clabbe.montjoie@gmail.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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This patch replace GCM IV size value by their constant name.
Signed-off-by: Corentin Labbe <clabbe.montjoie@gmail.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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This patch replace GCM IV size value by their constant name.
Signed-off-by: Corentin Labbe <clabbe.montjoie@gmail.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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This patch replace GCM IV size value by their constant name.
Signed-off-by: Corentin Labbe <clabbe.montjoie@gmail.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Many GCM users use directly GCM IV size instead of using some constant.
This patch add all IV size constant used by GCM.
Signed-off-by: Corentin Labbe <clabbe.montjoie@gmail.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Currently, empty messages are not supported in GCM mode, hence add
a check to prevent producing incorrect results.
Signed-off-by: Ryder Lee <ryder.lee@mediatek.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Add testmgr and tcrypt tests and vectors for SM3 secure hash.
Signed-off-by: Gilad Ben-Yossef <gilad@benyossef.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Add OSCCA SM3 secure hash (OSCCA GM/T 0004-2012 SM3)
generic hash transformation.
Signed-off-by: Gilad Ben-Yossef <gilad@benyossef.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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static
Arrays aesni_simd_skciphers and aesni_simd_skciphers2 are local to the
source and do not need to be in global scope, so make them static.
Cleans up sparse warnings:
symbol 'aesni_simd_skciphers' was not declared. Should it be static?
symbol 'aesni_simd_skciphers2' was not declared. Should it be static?
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Remove err symbol as this is not used in the thread context
and the variable is not initialized.
Signed-off-by: Lionel Debieve <lionel.debieve@st.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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vio_device_id are not supposed to change at runtime. All functions
working with vio_device_id provided by <asm/vio.h> work with
const vio_device_id. So mark the non-const structs as const.
Signed-off-by: Arvind Yadav <arvind.yadav.cs@gmail.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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vio_device_id are not supposed to change at runtime. All functions
working with vio_device_id provided by <asm/vio.h> work with
const vio_device_id. So mark the non-const structs as const.
Signed-off-by: Arvind Yadav <arvind.yadav.cs@gmail.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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vio_device_id are not supposed to change at runtime. All functions
working with vio_device_id provided by <asm/vio.h> work with
const vio_device_id. So mark the non-const structs as const.
Signed-off-by: Arvind Yadav <arvind.yadav.cs@gmail.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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* fix documentation of return values for crypto_ahash_init(),
crypto_ahash_finup(), crypto_ahash_final(),
crypto_ahash_digest() and crypto_ahash_update()
Also while at it:
* add notes for device driver developers in struct ahash_alg
description
* fix description of @final method in struct ahash_alg
* fix typo in crypto_ahash_finup() description
Signed-off-by: Kamil Konieczny <k.konieczny@partner.samsung.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Without CONFIG_DEBUG_FS, we get a harmless warning:
drivers/crypto/axis/artpec6_crypto.c:352:23: error: 'dbgfs_root' defined but not used [-Werror=unused-variable]
This moves it into the #ifdef that hides the only user.
Fixes: a21eb94fc4d3 ("crypto: axis - add ARTPEC-6/7 crypto accelerator driver")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Lars Persson <larper@axis.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Some Intel host controllers (e.g. CNP) use an ACPI device-specific method
to ensure correct voltage switching. Fix voltage switch for those, by
adding a call to the DSM.
Signed-off-by: Adrian Hunter <adrian.hunter@intel.com>
Cc: stable@vger.kernel.org
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
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Some change for v4.14 broke the debug output for TMIO. But since it was
not helpful to me and too noisy for my taste anyhow, let's just remove
it instead of fixing it. We'll find something better if we'd need it...
Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
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On POWER9 DD2.1 and below, sometimes on a Hypervisor Data Storage
Interrupt (HDSI) the HDSISR is not be updated at all.
To work around this we put a canary value into the HDSISR before
returning to a guest and then check for this canary when we take a
HDSI. If we find the canary on a HDSI, we know the hardware didn't
update the HDSISR. In this case we return to the guest to retake the
HDSI which should correctly update the HDSISR the second time HDSI
entry.
After talking to Paulus we've applied this workaround to all POWER9
CPUs. The workaround of returning to the guest shouldn't ever be
triggered on well behaving CPU. The extra instructions should have
negligible performance impact.
Signed-off-by: Michael Neuling <mikey@neuling.org>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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For nested virt we maintain multiple VMCS that can run on a vCPU. So it is
incorrect to keep vmcs_host_cr3 and vmcs_host_cr4, whose purpose is caching
the value of the rarely changing HOST_CR3 and HOST_CR4 VMCS fields, in
vCPU-wide data structures.
Hyper-V nested on KVM runs into this consistently for me with PCID enabled.
CR3 is updated with a new value, unlikely(cr3 != vmx->host_state.vmcs_host_cr3)
fires, and the currently loaded VMCS is updated. Then we switch from L2 to
L1 and the next exit reverts CR3 to its old value.
Fixes: d6e41f1151fe ("x86/mm, KVM: Teach KVM's VMX code that CR3 isn't a constant")
Signed-off-by: Ladi Prosek <lprosek@redhat.com>
Cc: stable@vger.kernel.org
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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Now that the cec-pin framework has been merged, we can remove the safeguard
that were preventing the CEC part of the sun4i HDMI driver and actually
start to use it.
Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
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In linux-4.13, Wei worked hard to convert dst to a traditional
refcounted model, removing GC.
We now want to make sure a dst refcount can not transition from 0 back
to 1.
The problem here is that input path attached a not refcounted dst to an
skb. Then later, because packet is forwarded and hits skb_dst_force()
before exiting RCU section, we might try to take a refcount on one dst
that is about to be freed, if another cpu saw 1 -> 0 transition in
dst_release() and queued the dst for freeing after one RCU grace period.
Lets unify skb_dst_force() and skb_dst_force_safe(), since we should
always perform the complete check against dst refcount, and not assume
it is not zero.
Bugzilla : https://bugzilla.kernel.org/show_bug.cgi?id=197005
[ 989.919496] skb_dst_force+0x32/0x34
[ 989.919498] __dev_queue_xmit+0x1ad/0x482
[ 989.919501] ? eth_header+0x28/0xc6
[ 989.919502] dev_queue_xmit+0xb/0xd
[ 989.919504] neigh_connected_output+0x9b/0xb4
[ 989.919507] ip_finish_output2+0x234/0x294
[ 989.919509] ? ipt_do_table+0x369/0x388
[ 989.919510] ip_finish_output+0x12c/0x13f
[ 989.919512] ip_output+0x53/0x87
[ 989.919513] ip_forward_finish+0x53/0x5a
[ 989.919515] ip_forward+0x2cb/0x3e6
[ 989.919516] ? pskb_trim_rcsum.part.9+0x4b/0x4b
[ 989.919518] ip_rcv_finish+0x2e2/0x321
[ 989.919519] ip_rcv+0x26f/0x2eb
[ 989.919522] ? vlan_do_receive+0x4f/0x289
[ 989.919523] __netif_receive_skb_core+0x467/0x50b
[ 989.919526] ? tcp_gro_receive+0x239/0x239
[ 989.919529] ? inet_gro_receive+0x226/0x238
[ 989.919530] __netif_receive_skb+0x4d/0x5f
[ 989.919532] netif_receive_skb_internal+0x5c/0xaf
[ 989.919533] napi_gro_receive+0x45/0x81
[ 989.919536] ixgbe_poll+0xc8a/0xf09
[ 989.919539] ? kmem_cache_free_bulk+0x1b6/0x1f7
[ 989.919540] net_rx_action+0xf4/0x266
[ 989.919543] __do_softirq+0xa8/0x19d
[ 989.919545] irq_exit+0x5d/0x6b
[ 989.919546] do_IRQ+0x9c/0xb5
[ 989.919548] common_interrupt+0x93/0x93
[ 989.919548] </IRQ>
Similarly dst_clone() can use dst_hold() helper to have additional
debugging, as a follow up to commit 44ebe79149ff ("net: add debug
atomic_inc_not_zero() in dst_hold()")
In net-next we will convert dst atomic_t to refcount_t for peace of
mind.
Fixes: a4c2fd7f7891 ("net: remove DST_NOCACHE flag")
Signed-off-by: Eric Dumazet <edumazet@google.com>
Cc: Wei Wang <weiwan@google.com>
Reported-by: Paweł Staszewski <pstaszewski@itcare.pl>
Bisected-by: Paweł Staszewski <pstaszewski@itcare.pl>
Acked-by: Wei Wang <weiwan@google.com>
Acked-by: Martin KaFai Lau <kafai@fb.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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