macvtap: fix uninitialized return value macvtap_ioctl_set_queue()

Return -EINVAL on illegal flag instead of uninitialized value. This fixes the kbuild test warning. Signed-off-by: Jason Wang <jasowang@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
mariux64 · Jun 13, 2013 · f57855a · f57855a
1 parent d9a90a3
commit f57855a
Showing 1 changed file with 2 additions and 0 deletions.
diff --git a/drivers/net/macvtap.c b/drivers/net/macvtap.c
@@ -969,6 +969,8 @@ static int macvtap_ioctl_set_queue(struct file *file, unsigned int flags)
 		ret = macvtap_enable_queue(vlan->dev, file, q);
 	else if (flags & IFF_DETACH_QUEUE)
 		ret = macvtap_disable_queue(q);
+	else
+		ret = -EINVAL;
 
 	macvtap_put_vlan(vlan);
 	return ret;