This is a note to let you know that I've just added the patch titled
Revert "net/ieee802154: reject zero-sized raw_sendmsg()"
to the 5.4-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
revert-net-ieee802154-reject-zero-sized-raw_sendmsg.patch
and it can be found in the queue-5.4 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
commit f0790065a223cdc915e7bf0ae0d98a52fa0f30b9
Author: Alexander Aring <aahringo@xxxxxxxxxx>
Date: Tue Oct 4 21:47:49 2022 -0400
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@xxxxxxxxxx>
Link: https://lore.kernel.org/r/20221005014750.3685555-1-aahringo@xxxxxxxxxx
Signed-off-by: Stefan Schmidt <stefan@xxxxxxxxxxxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
diff --git a/net/ieee802154/socket.c b/net/ieee802154/socket.c
index 72637d5994d8..a92b11999e5f 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);
