crypto: algif_aead - fix uninitialized variable warning

In case the user provided insufficient data, the code may return prematurely without any operation. In this case, the processed data indicated with outlen is zero. Reported-by: Stephen Rothwell <[email protected]> Signed-off-by: Stephan Mueller <[email protected]> Signed-off-by: Herbert Xu <[email protected]>
opendata26 · Dec 8, 2016 · 678b5c6 · 678b5c6
1 parent 48a9927
commit 678b5c6
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/crypto/algif_aead.c b/crypto/algif_aead.c
@@ -420,7 +420,7 @@ static int aead_recvmsg_async(struct socket *sock, struct msghdr *msg,
 	unsigned int i, reqlen = GET_REQ_SIZE(tfm);
 	int err = -ENOMEM;
 	unsigned long used;
-	size_t outlen;
+	size_t outlen = 0;
 	size_t usedpages = 0;
 
 	lock_sock(sk);