netdev - [PATCH net 1/2] Revert "net/ieee802154: reject zero-sized raw

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Message-Id: <20221005014750.3685555-1-aahringo@redhat.com>
Date:   Tue,  4 Oct 2022 21:47:49 -0400
From:   Alexander Aring <aahringo@...hat.com>
To:     penguin-kernel@...ove.sakura.ne.jp
Cc:     stefan@...enfreihafen.org, davem@...emloft.net,
        edumazet@...gle.com, kuba@...nel.org, pabeni@...hat.com,
        linux-wpan@...r.kernel.org, netdev@...r.kernel.org,
        aahringo@...hat.com
Subject: [PATCH net 1/2] Revert "net/ieee802154: reject zero-sized raw_sendmsg()"

This reverts commit 3a4d061c699bd3eedc80dc97a4b2a2e1af83c6f5.

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

Signed-off-by: Alexander Aring <aahringo@...hat.com>
---
 net/ieee802154/socket.c | 3 ---
 1 file changed, 3 deletions(-)

diff --git a/net/ieee802154/socket.c b/net/ieee802154/socket.c
index cbd0e2ac4ffe..7889e1ef7fad 100644
--- a/net/ieee802154/socket.c
+++ b/net/ieee802154/socket.c
@@ -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);
-- 
2.31.1