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crypto: ccree - fix memdup.cocci warnings

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drivers/crypto/ccree/cc_cipher.c:629:15-22: WARNING opportunity for kmemdep

 Use kmemdup rather than duplicating its implementation

Generated by: scripts/coccinelle/api/memdup.cocci

Fixes: 63ee04c8b491 ("crypto: ccree - add skcipher support")
CC: Gilad Ben-Yossef <gilad@benyossef.com>
Signed-off-by: Fengguang Wu <fengguang.wu@intel.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
This commit is contained in:
Fengguang Wu 2018-02-16 00:40:13 +08:00 committed by Herbert Xu
parent 0268483992
commit 017457061e
1 changed files with 1 additions and 2 deletions
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3
drivers/crypto/ccree/cc_cipher.c
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@ -626,12 +626,11 @@ static int cc_cipher_process(struct skcipher_request *req,
/* The IV we are handed may be allocted from the stack so
* we must copy it to a DMAable buffer before use.
*/
req_ctx->iv = kmalloc(ivsize, flags);
req_ctx->iv = kmemdup(iv, ivsize, flags);
if (!req_ctx->iv) {
rc = -ENOMEM;
goto exit_process;
}
memcpy(req_ctx->iv, iv, ivsize);
/*For CTS in case of data size aligned to 16 use CBC mode*/
if (((nbytes % AES_BLOCK_SIZE) == 0) &&