[PATCH] virtio_net: Remove BUG() to aviod machine dead

Xianting Tian
2021-05-18T09:47:01Z

When met error, we output a print to avoid a BUG().

Signed-off-by: Xianting Tian <xianting.tian@linux.alibaba.com>
---
drivers/net/virtio_net.c | 5 ++---
1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/drivers/net/virtio_net.c b/drivers/net/virtio_net.c
index c921ebf3ae82..a66174d13e81 100644
--- a/drivers/net/virtio_net.c
+++ b/drivers/net/virtio_net.c
@@ -1647,9 +1647,8 @@ static int xmit_skb(struct send_queue *sq, struct
sk_buff *skb)
hdr = skb_vnet_hdr(skb);

if (virtio_net_hdr_from_skb(skb, &hdr->hdr,
- virtio_is_little_endian(vi->vdev), false,
- 0))
- BUG();
+ virtio_is_little_endian(vi->vdev), false, 0))
+ return -EPROTO;

if (vi->mergeable_rx_bufs)
hdr->num_buffers = 0;
--
2.17.1