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cfg80211: fix a crash in dev lookup on dump commands

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IS_ERR and PTR_ERR were called with the wrong pointer, leading to a
crash when cfg80211_get_dev_from_ifindex fails.

Signed-off-by: Felix Fietkau <nbd@openwrt.org>
Acked-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Felix Fietkau 2010-10-31 15:31:54 +01:00 committed by John W. Linville
parent 8df86db906
commit 3cc25e510d
1 changed files with 2 additions and 2 deletions
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4
net/wireless/nl80211.c
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@ -224,8 +224,8 @@ static int nl80211_prepare_netdev_dump(struct sk_buff *skb,
}
*rdev = cfg80211_get_dev_from_ifindex(sock_net(skb->sk), ifidx);
if (IS_ERR(dev)) {
err = PTR_ERR(dev);
if (IS_ERR(*rdev)) {
err = PTR_ERR(*rdev);
goto out_rtnl;
}