projects/linux·commit 232a347a

[netdrvr] fix array overflows in Chelsio driver

232a347a · Scott Bardone <[email protected]> · 2006-03-16 19:20:40 -05:00

Adrian Bunk wrote:
> The Coverity checker spotted the following two array overflows in
> drivers/net/chelsio/sge.c (in both cases, the arrays contain 3
> elements):
[snip]

This is a bug. The array should contain 2 elements.  Here is the fix.

Signed-off-by: Scott Bardone <[email protected]>
Signed-off-by: Jeff Garzik <[email protected]>
Commit
232a347a444e687b5f8cf0f6485704db1c6024d3
Parents
c3d7a3a4

Changes

1 files changed · +3 −3

FileStatusAddDelContent
drivers/net/chelsio/sge.cmodified+3−3View file

drivers/net/chelsio/sge.c

View file
diff --git a/drivers/net/chelsio/sge.c b/drivers/net/chelsio/sge.c
index 2c5b849..30ff8ea 100644
--- a/drivers/net/chelsio/sge.c
+++ b/drivers/net/chelsio/sge.c
@@ -1021,7 +1021,7 @@ static void restart_tx_queues(struct sge *sge)
if (test_and_clear_bit(nd->if_port,
&sge->stopped_tx_queues) &&
netif_running(nd)) {
- sge->stats.cmdQ_restarted[3]++;
+ sge->stats.cmdQ_restarted[2]++;
netif_wake_queue(nd);
}
}
@@ -1350,7 +1350,7 @@ static int t1_sge_tx(struct sk_buff *skb, struct adapter *adapter,
if (unlikely(credits < count)) {
netif_stop_queue(dev);
set_bit(dev->if_port, &sge->stopped_tx_queues);
- sge->stats.cmdQ_full[3]++;
+ sge->stats.cmdQ_full[2]++;
spin_unlock(&q->lock);
if (!netif_queue_stopped(dev))
CH_ERR("%s: Tx ring full while queue awake!\n",
@@ -1358,7 +1358,7 @@ static int t1_sge_tx(struct sk_buff *skb, struct adapter *adapter,
return NETDEV_TX_BUSY;
}
if (unlikely(credits - count < q->stop_thres)) {
- sge->stats.cmdQ_full[3]++;
+ sge->stats.cmdQ_full[2]++;
netif_stop_queue(dev);
set_bit(dev->if_port, &sge->stopped_tx_queues);
}