Revert "net/ieee802154: reject zero-sized raw_sendmsg()"

[ Upstream commit 2eb2756f6c ]

This reverts commit 3a4d061c69.

There is a v2 which does return zero if zero length is given.

Signed-off-by: Alexander Aring <aahringo@redhat.com>
Link: https://lore.kernel.org/r/20221005014750.3685555-1-aahringo@redhat.com
Signed-off-by: Stefan Schmidt <stefan@datenfreihafen.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Alexander Aring 2022-10-04 21:47:49 -04:00 committed by Greg Kroah-Hartman
parent a2852ff5df
commit 7b5a94b4dc
1 changed files with 0 additions and 3 deletions

View File

@ -251,9 +251,6 @@ 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);