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authorStephan Mueller <smueller@chronox.de>2016-12-08 06:09:44 (GMT)
committerHerbert Xu <herbert@gondor.apana.org.au>2016-12-08 12:09:22 (GMT)
commit678b5c6b22fed89a13d5b2267f423069a9b11c80 (patch)
tree033a4087eb17cd5ec1c164a0ae5e04b7bb030fee
parent48a992727d82cb7db076fa15d372178743b1f4cd (diff)
downloadlinux-678b5c6b22fed89a13d5b2267f423069a9b11c80.tar.xz
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 <sfr@canb.auug.org.au> Signed-off-by: Stephan Mueller <smueller@chronox.de> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
-rw-r--r--crypto/algif_aead.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/crypto/algif_aead.c b/crypto/algif_aead.c
index 2fbf239..e9c0993 100644
--- 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);