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authorDale Farnsworth <dale@farnsworth.org>2005-09-01 09:59:23 -0700
committerJeff Garzik <jgarzik@pobox.com>2005-09-05 18:08:30 -0400
commitb1dd9ca177bd2ff5260376dd024dd43eb4631dc7 (patch)
treeb6903b12d4124a6fa835cab4b35db1eb99a6d1aa
parente797637f4c1cbcecb2d8f5cfa05b161da1f0b802 (diff)
downloadblackbird-op-linux-b1dd9ca177bd2ff5260376dd024dd43eb4631dc7.tar.gz
blackbird-op-linux-b1dd9ca177bd2ff5260376dd024dd43eb4631dc7.zip
[PATCH] mv643xx: fix skb memory leak
This patch fixes an skb memory leak under heavy receive load (whenever the more packets have been received than the NAPI budget allows to be processed). Signed-off-by: Dale Farnsworth <dale@farnsworth.org> Signed-off-by: Jeff Garzik <jgarzik@pobox.com>
-rw-r--r--drivers/net/mv643xx_eth.c6
1 files changed, 2 insertions, 4 deletions
diff --git a/drivers/net/mv643xx_eth.c b/drivers/net/mv643xx_eth.c
index fb6b232069d6..ab74d4583c41 100644
--- a/drivers/net/mv643xx_eth.c
+++ b/drivers/net/mv643xx_eth.c
@@ -412,15 +412,13 @@ static int mv643xx_eth_receive_queue(struct net_device *dev)
struct pkt_info pkt_info;
#ifdef MV643XX_NAPI
- while (eth_port_receive(mp, &pkt_info) == ETH_OK && budget > 0) {
+ while (budget-- > 0 && eth_port_receive(mp, &pkt_info) == ETH_OK) {
#else
while (eth_port_receive(mp, &pkt_info) == ETH_OK) {
#endif
mp->rx_ring_skbs--;
received_packets++;
-#ifdef MV643XX_NAPI
- budget--;
-#endif
+
/* Update statistics. Note byte count includes 4 byte CRC count */
stats->rx_packets++;
stats->rx_bytes += pkt_info.byte_cnt;
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