The proper return code for trying to send a packet that exceeds the
outgoing interface's MTU is EMSGSIZE, not EINVAL, so patch ieee802154's
raw_sendmsg() to do the right thing. (Its dgram_sendmsg() was already
returning EMSGSIZE for this case.)
Signed-off-by: Lennert Buytenhek <buytenh@xxxxxxxxxxxxxx>
---
net/ieee802154/socket.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/net/ieee802154/socket.c b/net/ieee802154/socket.c
index e4e112b..564a0e0 100644
--- a/net/ieee802154/socket.c
+++ b/net/ieee802154/socket.c
@@ -286,7 +286,7 @@ static int raw_sendmsg(struct sock *sk, struct msghdr *msg, size_t size)
if (size > mtu) {
pr_debug("size = %Zu, mtu = %u\n", size, mtu);
- err = -EINVAL;
+ err = -EMSGSIZE;
goto out_dev;
}
--
2.1.0
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