The error unwinding code in set_netns has a bug
that will make it run into a BUG_ON if passed a
bad wiphy index, fix by not trying to unlock a
wiphy that doesn't exist.
Signed-off-by: Johannes Berg <johannes@xxxxxxxxxxxxxxxx>
---
net/wireless/nl80211.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
--- wireless-testing.orig/net/wireless/nl80211.c 2009-10-06 16:15:18.000000000 +0200
+++ wireless-testing/net/wireless/nl80211.c 2009-10-06 16:15:28.000000000 +0200
@@ -4031,7 +4031,7 @@ static int nl80211_wiphy_netns(struct sk
rdev = cfg80211_get_dev_from_info(info);
if (IS_ERR(rdev)) {
err = PTR_ERR(rdev);
- goto out;
+ goto out_rtnl;
}
net = get_net_ns_by_pid(pid);
@@ -4051,6 +4051,7 @@ static int nl80211_wiphy_netns(struct sk
put_net(net);
out:
cfg80211_unlock_rdev(rdev);
+ out_rtnl:
rtnl_unlock();
return err;
}
--
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