diff options
| author | Maxime Ripard <maxime@cerno.tech> | 2023-01-03 10:32:12 +0300 |
|---|---|---|
| committer | Maxime Ripard <maxime@cerno.tech> | 2023-01-03 10:32:12 +0300 |
| commit | 2c55d703391acf7e9101da596d0c15ee03b318a3 (patch) | |
| tree | 422ef671343624b56d333b47d20a538eeedbfe10 /net/unix/af_unix.c | |
| parent | 92d43bd3bc9728c1fb114d7011d46f5ea9489e28 (diff) | |
| parent | 88603b6dc419445847923fcb7fe5080067a30f98 (diff) | |
| download | linux-2c55d703391acf7e9101da596d0c15ee03b318a3.tar.xz | |
Merge drm/drm-fixes into drm-misc-fixes
Let's start the fixes cycle.
Signed-off-by: Maxime Ripard <maxime@cerno.tech>
Diffstat (limited to 'net/unix/af_unix.c')
| -rw-r--r-- | net/unix/af_unix.c | 12 |
1 files changed, 10 insertions, 2 deletions
diff --git a/net/unix/af_unix.c b/net/unix/af_unix.c index b3545fc68097..f0c2293f1d3b 100644 --- a/net/unix/af_unix.c +++ b/net/unix/af_unix.c @@ -1999,13 +1999,20 @@ restart_locked: unix_state_lock(sk); err = 0; - if (unix_peer(sk) == other) { + if (sk->sk_type == SOCK_SEQPACKET) { + /* We are here only when racing with unix_release_sock() + * is clearing @other. Never change state to TCP_CLOSE + * unlike SOCK_DGRAM wants. + */ + unix_state_unlock(sk); + err = -EPIPE; + } else if (unix_peer(sk) == other) { unix_peer(sk) = NULL; unix_dgram_peer_wake_disconnect_wakeup(sk, other); + sk->sk_state = TCP_CLOSE; unix_state_unlock(sk); - sk->sk_state = TCP_CLOSE; unix_dgram_disconnected(sk, other); sock_put(other); err = -ECONNREFUSED; @@ -3738,6 +3745,7 @@ static int __init af_unix_init(void) rc = proto_register(&unix_stream_proto, 1); if (rc != 0) { pr_crit("%s: Cannot create unix_sock SLAB cache!\n", __func__); + proto_unregister(&unix_dgram_proto); goto out; } |