[PATCH net-next v2 07/13] r8152: calculate the dropped packets for rx

From: Hayes Wang
Date: Wed Mar 05 2014 - 01:53:27 EST


Continue dealing with the remain rx packets, even though the allocation
of the skb fail. This could calculate the correct dropped packets.

Signed-off-by: Hayes Wang <hayeswang@xxxxxxxxxxx>
---
drivers/net/usb/r8152.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/net/usb/r8152.c b/drivers/net/usb/r8152.c
index f1eaa18..08f4e870 100644
--- a/drivers/net/usb/r8152.c
+++ b/drivers/net/usb/r8152.c
@@ -1456,7 +1456,7 @@ static void rx_bottom(struct r8152 *tp)
skb = netdev_alloc_skb_ip_align(netdev, pkt_len);
if (!skb) {
stats->rx_dropped++;
- break;
+ goto find_next_rx;
}
memcpy(skb->data, rx_data, pkt_len);
skb_put(skb, pkt_len);
@@ -1465,6 +1465,7 @@ static void rx_bottom(struct r8152 *tp)
stats->rx_packets++;
stats->rx_bytes += pkt_len;

+find_next_rx:
rx_data = rx_agg_align(rx_data + pkt_len + CRC_SIZE);
rx_desc = (struct rx_desc *)rx_data;
len_used = (int)(rx_data - (u8 *)agg->head);
--
1.8.4.2

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