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p54: fix oops caused by bad eeproms 

This patch fixes a bug that could occur, if it the eeprom is incomplete or partly corrupted.

BUG: unable to handle kernel NULL pointer dereference at 00000008
IP: p54_assign_address+0x108/0x15d [p54common]
Oops: 0002 [#1] SMP
Pid: 12988, comm: phy1 Tainted: P        W  2.6.28-rc6-wl #3
RIP: 0010: p54_assign_address+0x108/0x15d [p54common]
 [...]
Call Trace:
 p54_alloc_skb+0xa3/0xc0 [p54common]
 p54_scan+0x37/0x204 [p54common]
 [...]

Signed-off-by: Christian Lamparter <chunkeey@web.de>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Christian Lamparter 2009-01-09 21:06:30 +01:00 committed by John W. Linville
parent a58c891a53
commit ef15aa490f
1 changed files with 1 additions and 1 deletions
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2
drivers/net/wireless/p54/p54common.c
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@ -1610,7 +1610,7 @@ static int p54_scan(struct ieee80211_hw *dev, u16 mode, u16 dwell)
err:
printk(KERN_ERR "%s: frequency change failed\n", wiphy_name(dev->wiphy));
kfree_skb(skb);
p54_free_skb(dev, skb);
return -EINVAL;
}