aboutsummaryrefslogtreecommitdiff
path: root/net/unix/af_unix.c
diff options
context:
space:
mode:
Diffstat (limited to 'net/unix/af_unix.c')
-rw-r--r--net/unix/af_unix.c13
1 files changed, 3 insertions, 10 deletions
diff --git a/net/unix/af_unix.c b/net/unix/af_unix.c
index 3d0ace7ca017..103a7909cb1a 100644
--- a/net/unix/af_unix.c
+++ b/net/unix/af_unix.c
@@ -772,19 +772,12 @@ static void update_peercred(struct sock *sk)
static void copy_peercred(struct sock *sk, struct sock *peersk)
{
- if (sk < peersk) {
- spin_lock(&sk->sk_peer_lock);
- spin_lock_nested(&peersk->sk_peer_lock, SINGLE_DEPTH_NESTING);
- } else {
- spin_lock(&peersk->sk_peer_lock);
- spin_lock_nested(&sk->sk_peer_lock, SINGLE_DEPTH_NESTING);
- }
+ lockdep_assert_held(&unix_sk(peersk)->lock);
- sk->sk_peer_pid = get_pid(peersk->sk_peer_pid);
+ spin_lock(&sk->sk_peer_lock);
+ sk->sk_peer_pid = get_pid(peersk->sk_peer_pid);
sk->sk_peer_cred = get_cred(peersk->sk_peer_cred);
-
spin_unlock(&sk->sk_peer_lock);
- spin_unlock(&peersk->sk_peer_lock);
}
static int unix_listen(struct socket *sock, int backlog)