| From | Greg Kroah-Hartman <> | Subject | [PATCH 4.9 037/151] net: fix warning in af_unix | Date | Wed, 27 Nov 2019 21:30:20 +0100 |
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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 cecf51a5aec4f..32ae82a5596d9 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
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