crypto: seqiv - Use kmemdup in seqiv_aead_encrypt()

Use kmemdup rather than duplicating its implementation Signed-off-by: YueHaibing <[email protected]> Signed-off-by: Herbert Xu <[email protected]>
jbg · Feb 1, 2019 · 7e33d4d · 7e33d4d
1 parent 231baec
commit 7e33d4d
Showing 1 changed file with 3 additions and 4 deletions.
diff --git a/crypto/seqiv.c b/crypto/seqiv.c
@@ -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;
 	}