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staging: hv: fix the return status of netvsc_start_xmit()

Fix the return status, so the upper layer will retry if transmission
fails.

Signed-off-by: Haiyang Zhang <haiyangz@microsoft.com>
Signed-off-by: K. Y. Srinivasan <kys@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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haiyangz authored and gregkh committed Sep 1, 2011
1 parent 8a5f9ed commit bf769375c9175b29fe72b10394888e0090c6b133
Showing with 3 additions and 3 deletions.
  1. +3 −3 drivers/staging/hv/netvsc_drv.c
@@ -140,12 +140,12 @@ static int netvsc_start_xmit(struct sk_buff *skb, struct net_device *net)
(num_pages * sizeof(struct hv_page_buffer)) +
sizeof(struct rndis_filter_packet), GFP_ATOMIC);
if (!packet) {
- /* out of memory, silently drop packet */
+ /* out of memory, drop packet */
netdev_err(net, "unable to allocate hv_netvsc_packet\n");
dev_kfree_skb(skb);
net->stats.tx_dropped++;
- return NETDEV_TX_OK;
+ return NETDEV_TX_BUSY;
}
packet->extension = (void *)(unsigned long)packet +
@@ -194,7 +194,7 @@ static int netvsc_start_xmit(struct sk_buff *skb, struct net_device *net)
dev_kfree_skb_any(skb);
}
- return NETDEV_TX_OK;
+ return ret ? NETDEV_TX_BUSY : NETDEV_TX_OK;
}
/*

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