From b120251590a9c771bae353e444503fa49793c75e Mon Sep 17 00:00:00 2001 From: Eric Dumazet Date: Thu, 21 Sep 2023 20:28:13 +0000 Subject: net: lockless SO_{TYPE|PROTOCOL|DOMAIN|ERROR } setsockopt() This options can not be set and return -ENOPROTOOPT, no need to acqure socket lock. Signed-off-by: Eric Dumazet Signed-off-by: David S. Miller --- net/core/sock.c | 11 +++++------ 1 file changed, 5 insertions(+), 6 deletions(-) (limited to 'net/core/sock.c') diff --git a/net/core/sock.c b/net/core/sock.c index f01c75724568..4d20b74a93cb 100644 --- a/net/core/sock.c +++ b/net/core/sock.c @@ -1135,6 +1135,11 @@ int sk_setsockopt(struct sock *sk, int level, int optname, case SO_PASSPIDFD: assign_bit(SOCK_PASSPIDFD, &sock->flags, valbool); return 0; + case SO_TYPE: + case SO_PROTOCOL: + case SO_DOMAIN: + case SO_ERROR: + return -ENOPROTOOPT; } sockopt_lock_sock(sk); @@ -1152,12 +1157,6 @@ int sk_setsockopt(struct sock *sk, int level, int optname, case SO_REUSEPORT: sk->sk_reuseport = valbool; break; - case SO_TYPE: - case SO_PROTOCOL: - case SO_DOMAIN: - case SO_ERROR: - ret = -ENOPROTOOPT; - break; case SO_DONTROUTE: sock_valbool_flag(sk, SOCK_LOCALROUTE, valbool); sk_dst_reset(sk); -- cgit