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crypto: img-hash - Fix variable dereferenced before check 'hdev->req'
authorGaosheng Cui <cuigaosheng1@huawei.com>
Thu, 1 Dec 2022 06:25:26 +0000 (14:25 +0800)
committerHerbert Xu <herbert@gondor.apana.org.au>
Fri, 9 Dec 2022 10:45:00 +0000 (18:45 +0800)
commit04ba54e5af8f8f0137b08cb51a0b3a2e1ea46c94
tree7f75dda56e6e86145cbc1d9eadb1f60f3cff8389
parenta428636d4c827ebe967aa31a83684b4c8e742ed1
crypto: img-hash - Fix variable dereferenced before check 'hdev->req'

Smatch report warning as follows:

drivers/crypto/img-hash.c:366 img_hash_dma_task() warn: variable
dereferenced before check 'hdev->req'

Variable dereferenced should be done after check 'hdev->req',
fix it.

Fixes: d358f1abbf71 ("crypto: img-hash - Add Imagination Technologies hw hash accelerator")
Fixes: 10badea259fa ("crypto: img-hash - Fix null pointer exception")
Signed-off-by: Gaosheng Cui <cuigaosheng1@huawei.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
drivers/crypto/img-hash.c