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crypto: seqiv - Use kmemdup in seqiv_aead_encrypt() 

Use kmemdup rather than duplicating its implementation

Signed-off-by: YueHaibing <yuehaibing@huawei.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
This commit is contained in:
YueHaibing 2019-01-21 07:57:00 +00:00 committed by Herbert Xu
parent 231baecdef
commit 7e33d4d489
1 changed files with 3 additions and 4 deletions
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7
crypto/seqiv.c
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@ -89,13 +89,12 @@ static int seqiv_aead_encrypt(struct aead_request *req)
if (unlikely(!IS_ALIGNED((unsigned long)info,
crypto_aead_alignmask(geniv) + 1))) {
info = kmalloc(ivsize, req->base.flags &
CRYPTO_TFM_REQ_MAY_SLEEP ? GFP_KERNEL:
GFP_ATOMIC);
info = kmemdup(req->iv, ivsize, req->base.flags &
CRYPTO_TFM_REQ_MAY_SLEEP ? GFP_KERNEL :
GFP_ATOMIC);
if (!info)
return -ENOMEM;
memcpy(info, req->iv, ivsize);
compl = seqiv_aead_encrypt_complete;
data = req;
}