From: Dan Carpenter <dan.carpenter@xxxxxxxxxx>
[ Upstream commit 411ea23a76526e6efed0b601abb603d3c981b333 ]
Set a negative error code intead of returning success if the MTU has
been changed to something invalid.
Fixes: fe36cbe0671e ("virtio_net: clear MTU when out of range")
Reported-by: Robert Buhren <robert.buhren@xxxxxxxxxxxxxxxxx>
Reported-by: Felicitas Hetzelt <file@xxxxxxxxxxxxxxxxx>
Signed-off-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx>
Link: https://lore.kernel.org/r/X8pGVJSeeCdII1Ys@mwanda
Signed-off-by: Michael S. Tsirkin <mst@xxxxxxxxxx>
Acked-by: Jason Wang <jasowang@xxxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
---
drivers/net/virtio_net.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/drivers/net/virtio_net.c b/drivers/net/virtio_net.c
index 99e1a7bc06886..7cc8f405be1ad 100644
--- a/drivers/net/virtio_net.c
+++ b/drivers/net/virtio_net.c
@@ -3114,6 +3114,7 @@ static int virtnet_probe(struct virtio_device *vdev)
dev_err(&vdev->dev,
"device MTU appears to have changed it is now %d < %d",
mtu, dev->min_mtu);
+ err = -EINVAL;
goto free;
}
--
2.27.0
