From 1df75154bf5ae49123f9043b68346a2087ef432d Mon Sep 17 00:00:00 2001 From: Alexander Aring Date: Tue, 18 Apr 2023 20:20:20 +0800 Subject: [PATCH] Revert "net/ieee802154: reject zero-sized raw_sendmsg()" stable inclusion from stable-v5.10.150 commit a96336a5f28b91eba4c5575e0434cbf02d8597fd category: bugfix bugzilla: https://gitee.com/openeuler/kernel/issues/I6D0XA Reference: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=a96336a5f28b91eba4c5575e0434cbf02d8597fd -------------------------------- [ Upstream commit 2eb2756f6c9e9621e022d78321ce40a62c4520b5 ] This reverts commit 3a4d061c699bd3eedc80dc97a4b2a2e1af83c6f5. There is a v2 which does return zero if zero length is given. Signed-off-by: Alexander Aring Link: https://lore.kernel.org/r/20221005014750.3685555-1-aahringo@redhat.com Signed-off-by: Stefan Schmidt Signed-off-by: Sasha Levin Signed-off-by: Jialin Zhang --- net/ieee802154/socket.c | 3 --- 1 file changed, 3 deletions(-) diff --git a/net/ieee802154/socket.c b/net/ieee802154/socket.c index d4c162d63634..7edec210780a 100644 --- a/net/ieee802154/socket.c +++ b/net/ieee802154/socket.c @@ -252,9 +252,6 @@ static int raw_sendmsg(struct sock *sk, struct msghdr *msg, size_t size) return -EOPNOTSUPP; } - if (!size) - return -EINVAL; - lock_sock(sk); if (!sk->sk_bound_dev_if) dev = dev_getfirstbyhwtype(sock_net(sk), ARPHRD_IEEE802154); -- GitLab