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nl80211: Add SOCKET_OWNER support to JOIN_IBSS

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Signed-off-by: Denis Kenzior <denkenz@gmail.com>
[johannes: fix race with wdev lock/unlock by just acquiring once]
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
This commit is contained in:
Denis Kenzior
2018-03-26 12:52:45 -05:00
committed by Johannes Berg
parent 37b1c00468
commit f8d16d3edb
4 changed files with 18 additions and 26 deletions
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7
net/wireless/nl80211.c
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@@ -8679,9 +8679,14 @@ static int nl80211_join_ibss(struct sk_buff *skb, struct genl_info *info)
ibss.userspace_handles_dfs =
nla_get_flag(info->attrs[NL80211_ATTR_HANDLE_DFS]);
err = cfg80211_join_ibss(rdev, dev, &ibss, connkeys);
wdev_lock(dev->ieee80211_ptr);
err = __cfg80211_join_ibss(rdev, dev, &ibss, connkeys);
if (err)
kzfree(connkeys);
else if (info->attrs[NL80211_ATTR_SOCKET_OWNER])
dev->ieee80211_ptr->conn_owner_nlportid = info->snd_portid;
wdev_unlock(dev->ieee80211_ptr);
return err;
}