[PATCH AUTOSEL 4.4 22/77] net: fix warning in af_unix

From: Sasha Levin
Date: Sat Nov 16 2019 - 10:54:20 EST


From: Kyeongdon Kim <kyeongdon.kim@xxxxxxx>

[ 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@xxxxxxx>
Signed-off-by: David S. Miller <davem@xxxxxxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
---
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 b1a72615fdc30..b5e2ef242efe7 100644
--- a/net/unix/af_unix.c
+++ b/net/unix/af_unix.c
@@ -224,6 +224,8 @@ 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