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Date: Mon, 28 Dec 2020 13:49:00 +0100 From: Greg Kroah-Hartman <gregkh@...uxfoundation.org> To: linux-kernel@...r.kernel.org Cc: Greg Kroah-Hartman <gregkh@...uxfoundation.org>, stable@...r.kernel.org, Robert Buhren <robert.buhren@...t.tu-berlin.de>, Felicitas Hetzelt <file@...t.tu-berlin.de>, Dan Carpenter <dan.carpenter@...cle.com>, "Michael S. Tsirkin" <mst@...hat.com>, Jason Wang <jasowang@...hat.com>, Sasha Levin <sashal@...nel.org> Subject: [PATCH 5.4 304/453] virtio_net: Fix error code in probe() From: Dan Carpenter <dan.carpenter@...cle.com> [ 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@...t.tu-berlin.de> Reported-by: Felicitas Hetzelt <file@...t.tu-berlin.de> Signed-off-by: Dan Carpenter <dan.carpenter@...cle.com> Link: https://lore.kernel.org/r/X8pGVJSeeCdII1Ys@mwanda Signed-off-by: Michael S. Tsirkin <mst@...hat.com> Acked-by: Jason Wang <jasowang@...hat.com> Signed-off-by: Sasha Levin <sashal@...nel.org> --- 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
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