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authorHimanshu Jha <himanshujha199640@gmail.com>2017-12-31 15:24:23 +0300
committerHerbert Xu <herbert@gondor.apana.org.au>2018-01-12 15:02:56 +0300
commit75d68369b544acc5d14c18a827654dfff248d09d (patch)
tree28a59ee3d94752e1f90f4e76399c7da10d99f224 /drivers/crypto/ixp4xx_crypto.c
parentb7dac3731848923399c7a92563e3754e8f3b5236 (diff)
downloadlinux-75d68369b544acc5d14c18a827654dfff248d09d.tar.xz
crypto: Use zeroing memory allocator instead of allocator/memset
Use dma_zalloc_coherent for allocating zeroed memory and remove unnecessary memset function. Done using Coccinelle. Generated-by: scripts/coccinelle/api/alloc/kzalloc-simple.cocci 0-day tested with no failures. Signed-off-by: Himanshu Jha <himanshujha199640@gmail.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Diffstat (limited to 'drivers/crypto/ixp4xx_crypto.c')
-rw-r--r--drivers/crypto/ixp4xx_crypto.c7
1 files changed, 3 insertions, 4 deletions
diff --git a/drivers/crypto/ixp4xx_crypto.c b/drivers/crypto/ixp4xx_crypto.c
index 8705b28eb02c..717a26607bdb 100644
--- a/drivers/crypto/ixp4xx_crypto.c
+++ b/drivers/crypto/ixp4xx_crypto.c
@@ -260,12 +260,11 @@ static int setup_crypt_desc(void)
{
struct device *dev = &pdev->dev;
BUILD_BUG_ON(sizeof(struct crypt_ctl) != 64);
- crypt_virt = dma_alloc_coherent(dev,
- NPE_QLEN * sizeof(struct crypt_ctl),
- &crypt_phys, GFP_ATOMIC);
+ crypt_virt = dma_zalloc_coherent(dev,
+ NPE_QLEN * sizeof(struct crypt_ctl),
+ &crypt_phys, GFP_ATOMIC);
if (!crypt_virt)
return -ENOMEM;
- memset(crypt_virt, 0, NPE_QLEN * sizeof(struct crypt_ctl));
return 0;
}