[PATCH AUTOSEL 4.19 067/237] net: fix warning in af_unix

Sasha Levin
2019-11-16T15:42:38Z

From: Kyeongdon Kim <kyeongdon.kim@lge.com>

[ Upstream commit 33c4368ee2589c165aebd8d388cbd91e9adb9688 ]

This fixes the "'hash' may be used uninitialized in this function"

net/unix/af_unix.c:1041:20: warning: 'hash' may be used uninitialized in this function [-Wmaybe-uninitialized]
addr->hash = hash ^ sk->sk_type;

Signed-off-by: Kyeongdon Kim <kyeongdon.kim@lge.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
net/unix/af_unix.c | 2 ++
1 file changed, 2 insertions(+)

diff --git a/net/unix/af_unix.c b/net/unix/af_unix.c
index 231b6c032d2c3..d2d6ff0c6265d 100644
--- a/net/unix/af_unix.c
+++ b/net/unix/af_unix.c
@@ -225,6 +225,8 @@ static inline void unix_release_addr(struct unix_address *addr)

static int unix_mkname(struct sockaddr_un *sunaddr, int len, unsigned int *hashp)
{
+ *hashp = 0;
+
if (len <= sizeof(short) || len > sizeof(*sunaddr))
return -EINVAL;
if (!sunaddr || sunaddr->sun_family != AF_UNIX)
--
2.20.1