From 0231ce4e35781438883493a1055cff69269217e4 Mon Sep 17 00:00:00 2001
From: Dan Carpenter <dan.carpenter@oracle.com>
Date: Fri, 4 Dec 2020 17:23:16 +0300
Subject: [PATCH 2/5] virtio_net: Fix error code in probe()
Git-commit: 411ea23a76526e6efed0b601abb603d3c981b333
References: git-fixes
Patch-mainline: v5.11-rc1
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@sect.tu-berlin.de>
Reported-by: Felicitas Hetzelt <file@sect.tu-berlin.de>
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Link: https://lore.kernel.org/r/X8pGVJSeeCdII1Ys@mwanda
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Acked-by: Jason Wang <jasowang@redhat.com>
Signed-off-by: Denis Kirjanov <denis.kirjanov@suse.com>
---
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 626b143c9bd9..f279e2f3e50a 100644
--- a/drivers/net/virtio_net.c
+++ b/drivers/net/virtio_net.c
@@ -3050,6 +3050,7 @@ 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;
}
--
2.16.4