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>
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@ -224,8 +224,8 @@ static int nl80211_prepare_netdev_dump(struct sk_buff *skb,
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}
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*rdev = cfg80211_get_dev_from_ifindex(sock_net(skb->sk), ifidx);
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if (IS_ERR(dev)) {
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err = PTR_ERR(dev);
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if (IS_ERR(*rdev)) {
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err = PTR_ERR(*rdev);
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goto out_rtnl;
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}
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