nl80211: fix error in generic netif_running check
Yikes! The error return keeps a netdev reference and the rdev mutex locked, fix that! Signed-off-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
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@ -4418,6 +4418,8 @@ static int nl80211_pre_doit(struct genl_ops *ops, struct sk_buff *skb,
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}
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if (ops->internal_flags & NL80211_FLAG_CHECK_NETDEV_UP &&
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!netif_running(dev)) {
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cfg80211_unlock_rdev(rdev);
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dev_put(dev);
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if (rtnl)
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rtnl_unlock();
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return -ENETDOWN;
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