[PATCH] inet: missing lock releases in udp.c

ycaibb
2022-01-21T03:16:16Z

From: Ryan Cai <ycaibb@gmail.com>

In method udp_get_first, the lock hslot->lock is not released when afinfo->family == AF_UNSPEC || sk->sk_family == afinfo->family is true. This patch fixes the problem by adding the unlock statement.

Signed-off-by: Ryan Cai <ycaibb@gmail.com>
---
net/ipv4/udp.c | 1 +
1 file changed, 1 insertion(+)

diff --git a/net/ipv4/udp.c b/net/ipv4/udp.c
index 23b05e28490b..f7d573ecaafb 100644
--- a/net/ipv4/udp.c
+++ b/net/ipv4/udp.c
@@ -2967,6 +2967,7 @@ static struct sock *udp_get_first(struct seq_file *seq, int start)
continue;
if (afinfo->family == AF_UNSPEC ||
sk->sk_family == afinfo->family)
+ spin_unlock_bh(&hslot->lock);
goto found;
}
spin_unlock_bh(&hslot->lock);
--
2.33.0