diff options
| author | Felix Fietkau <nbd@openwrt.org> | 2010-10-31 15:31:54 +0100 |
|---|---|---|
| committer | John W. Linville <linville@tuxdriver.com> | 2010-11-08 16:53:47 -0500 |
| commit | 3cc25e510dfc36dc62ee0aa87344b36ed7c1742a (patch) | |
| tree | aa485987c383ac5c2843e1f3d7b3eb3a628f111b /net/wireless | |
| parent | 8df86db9060ddd123d172c7adb6b2b71f31e77cd (diff) | |
| download | lwn-3cc25e510dfc36dc62ee0aa87344b36ed7c1742a.tar.gz lwn-3cc25e510dfc36dc62ee0aa87344b36ed7c1742a.zip | |
cfg80211: fix a crash in dev lookup on dump commands
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>
Diffstat (limited to 'net/wireless')
| -rw-r--r-- | net/wireless/nl80211.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c index c506241f8637..4e78e3f26798 100644 --- a/net/wireless/nl80211.c +++ b/net/wireless/nl80211.c @@ -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; } |