mirror of
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
synced 2026-04-08 12:02:33 +02:00
Exit early if the list is empty. Some applications using TCP zerocopy are calling recvmsg( ... MSG_ERRQUEUE) and hit this case quite often, probably because busy polling only deals with sk_receive_queue. Signed-off-by: Eric Dumazet <edumazet@google.com> Link: https://lore.kernel.org/r/20231005114504.642589-1-edumazet@google.com Signed-off-by: Jakub Kicinski <kuba@kernel.org>