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nl80211: fix a station dump crash triggered by sending an invalid ifindex

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git-svn-id: svn://svn.openwrt.org/openwrt/trunk@23741 3c298f89-4303-0410-b956-a3cf2f4a3e73
This commit is contained in:
Felix Fietkau
2010-10-31 14:32:15 +00:00
parent 83038bca8b
commit 30453b2e5e
1 changed files with 13 additions and 0 deletions
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13
package/mac80211/patches/300-nl80211_dump_crash_fix.patch Normal file
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@@ -0,0 +1,13 @@
--- a/net/wireless/nl80211.c
+++ b/net/wireless/nl80211.c
@@ -224,8 +224,8 @@ static int nl80211_prepare_netdev_dump(s
}
*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;
}