From: Alexander Aring aahringo@redhat.com
[ 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 --- 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);