hip04_eth: fix missing error handle for build_skb failed
when build_skb failed, we should goto refill the buffer.
Signed-off-by: Weidong Wang <wangweidong1@huawei.com>
Acked-by: Ding Tainhong <dingtianhong@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/net/ethernet/hisilicon/hip04_eth.c b/drivers/net/ethernet/hisilicon/hip04_eth.c
index 253f8ed..0c4afe9 100644
--- a/drivers/net/ethernet/hisilicon/hip04_eth.c
+++ b/drivers/net/ethernet/hisilicon/hip04_eth.c
@@ -500,8 +500,10 @@
while (cnt && !last) {
buf = priv->rx_buf[priv->rx_head];
skb = build_skb(buf, priv->rx_buf_size);
- if (unlikely(!skb))
+ if (unlikely(!skb)) {
net_dbg_ratelimited("build_skb failed\n");
+ goto refill;
+ }
dma_unmap_single(&ndev->dev, priv->rx_phys[priv->rx_head],
RX_BUF_SIZE, DMA_FROM_DEVICE);
@@ -528,6 +530,7 @@
rx++;
}
+refill:
buf = netdev_alloc_frag(priv->rx_buf_size);
if (!buf)
goto done;