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[PATCH] orinoco: possible null pointer dereference in orinoco_rx_monitor()

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If the skb allocation fails, the current error path calls
dev_kfree_skb_irq() with a NULL argument.  Also, 'err' is not being used.

Coverity CID: 275.

Signed-off-by: Florin Malita <fmalita@gmail.com>
Cc: "John W. Linville" <linville@tuxdriver.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This commit is contained in:
Florin Malita 2006-05-22 22:35:30 -07:00 committed by Linus Torvalds
parent 30d6b2f374
commit bb6e093da2
1 changed files with 1 additions and 3 deletions
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4
drivers/net/wireless/orinoco.c
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@ -812,7 +812,6 @@ static void orinoco_rx_monitor(struct net_device *dev, u16 rxfid,
if (datalen > IEEE80211_DATA_LEN + 12) {
printk(KERN_DEBUG "%s: oversized monitor frame, "
"data length = %d\n", dev->name, datalen);
err = -EIO;
stats->rx_length_errors++;
goto update_stats;
}
@ -821,8 +820,7 @@ static void orinoco_rx_monitor(struct net_device *dev, u16 rxfid,
if (!skb) {
printk(KERN_WARNING "%s: Cannot allocate skb for monitor frame\n",
dev->name);
err = -ENOMEM;
goto drop;
goto update_stats;
}
/* Copy the 802.11 header to the skb */