[PATCH 3/4] net: Convert sk->sk_peer_lock to lock_set_cmp_fn_ptr_order()
From: Kent Overstreet <kent.overstreet@linux.dev>
Date: 2024-01-27 02:01:24
Also in:
lkml
Subsystem:
networking [general], networking [sockets], networking [unix sockets], the rest · Maintainers:
"David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Kuniyuki Iwashima, Willem de Bruijn, Linus Torvalds
Cc: netdev@vger.kernel.org Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev> --- net/core/sock.c | 1 + net/unix/af_unix.c | 4 ++-- 2 files changed, 3 insertions(+), 2 deletions(-)
diff --git a/net/core/sock.c b/net/core/sock.c
index 158dbdebce6a..da7360c0f454 100644
--- a/net/core/sock.c
+++ b/net/core/sock.c@@ -3474,6 +3474,7 @@ void sock_init_data_uid(struct socket *sock, struct sock *sk, kuid_t uid) sk->sk_peer_pid = NULL; sk->sk_peer_cred = NULL; spin_lock_init(&sk->sk_peer_lock); + lock_set_cmp_fn_ptr_order(&sk->sk_peer_lock); sk->sk_write_pending = 0; sk->sk_rcvlowat = 1;
diff --git a/net/unix/af_unix.c b/net/unix/af_unix.c
index ac1f2bc18fc9..d013de3c5490 100644
--- a/net/unix/af_unix.c
+++ b/net/unix/af_unix.c@@ -706,10 +706,10 @@ 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); + spin_lock(&peersk->sk_peer_lock); } else { spin_lock(&peersk->sk_peer_lock); - spin_lock_nested(&sk->sk_peer_lock, SINGLE_DEPTH_NESTING); + spin_lock(&sk->sk_peer_lock); } old_pid = sk->sk_peer_pid; old_cred = sk->sk_peer_cred;
--
2.43.0