diff options
author | Eric Sesterhenn <snakebyte@gmx.de> | 2006-03-22 16:30:34 -0500 |
---|---|---|
committer | Jeff Garzik <jeff@garzik.org> | 2006-03-22 20:30:45 -0500 |
commit | 5185c7c20a4b88892f868ad8d92d1b640b1edba9 (patch) | |
tree | 53674f28e6dd666a59f5495f73149736ec260505 | |
parent | 494aced2cda34c186083f7d53c419426eea3d584 (diff) |
[PATCH] Use after free in net/tulip/de2104x.c
hi,
this fixes coverity bug #912, where skb is freed first,
and dereferenced a few lines later with skb->len.
Signed-off-by: Eric Sesterhenn <snakebyte@gmx.de>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
-rw-r--r-- | drivers/net/tulip/de2104x.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/net/tulip/de2104x.c b/drivers/net/tulip/de2104x.c index 6299e186c73f..e3dd144d326b 100644 --- a/drivers/net/tulip/de2104x.c +++ b/drivers/net/tulip/de2104x.c | |||
@@ -1327,11 +1327,11 @@ static void de_clean_rings (struct de_private *de) | |||
1327 | struct sk_buff *skb = de->tx_skb[i].skb; | 1327 | struct sk_buff *skb = de->tx_skb[i].skb; |
1328 | if ((skb) && (skb != DE_DUMMY_SKB)) { | 1328 | if ((skb) && (skb != DE_DUMMY_SKB)) { |
1329 | if (skb != DE_SETUP_SKB) { | 1329 | if (skb != DE_SETUP_SKB) { |
1330 | dev_kfree_skb(skb); | ||
1331 | de->net_stats.tx_dropped++; | 1330 | de->net_stats.tx_dropped++; |
1332 | pci_unmap_single(de->pdev, | 1331 | pci_unmap_single(de->pdev, |
1333 | de->tx_skb[i].mapping, | 1332 | de->tx_skb[i].mapping, |
1334 | skb->len, PCI_DMA_TODEVICE); | 1333 | skb->len, PCI_DMA_TODEVICE); |
1334 | dev_kfree_skb(skb); | ||
1335 | } else { | 1335 | } else { |
1336 | pci_unmap_single(de->pdev, | 1336 | pci_unmap_single(de->pdev, |
1337 | de->tx_skb[i].mapping, | 1337 | de->tx_skb[i].mapping, |