Commit cff61312 authored Oct 04, 2022 by Alexander Aring Committed by Greg Kroah-Hartman Oct 26, 2022

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



[ 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 <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>

parent 1210359a

net/ieee802154/socket.c

+0 −3

Original line number	Diff line number	Diff line
		@@ -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);