mirrors/linux
1
0
Fork 0
mirror of https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git synced 2026-05-02 13:23:35 -04:00
Code Issues Packages Projects Releases Wiki Activity

tcp: check local var (timeo) before socket fields in one test

Browse Source 
Testing timeo before sk_err/sk_state/sk_shutdown makes more sense.

Modern applications use non-blocking IO, while a socket is terminated
only once during its life time.

Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Eric Dumazet
2021-11-15 11:02:47 -08:00
committed by David S. Miller
parent f35f821935
commit 8bd172b787
1 changed files with 2 additions and 2 deletions
Download Patch File Download Diff File Expand all files Collapse all files

4
net/ipv4/tcp.c
View File

@@ -2399,10 +2399,10 @@ static int tcp_recvmsg_locked(struct sock *sk, struct msghdr *msg, size_t len,
break;
if (copied) {
if (sk->sk_err ||
if (!timeo ||
sk->sk_err ||
sk->sk_state == TCP_CLOSE ||
(sk->sk_shutdown & RCV_SHUTDOWN) ||
!timeo ||
signal_pending(current))
break;
} else {