diff options
| author | Johannes Berg <johannes.berg@intel.com> | 2013-04-19 14:18:19 +0400 |
|---|---|---|
| committer | Johannes Berg <johannes.berg@intel.com> | 2013-04-22 17:31:47 +0400 |
| commit | 65e8d5b8cbff766628dad7d366986676f18b1e89 (patch) | |
| tree | 37c419fe76204707e4bb18578ab535c7b94ce4d7 /net/wireless | |
| parent | a42c74ee608a424342ef7069ccddf196d873040c (diff) | |
| download | linux-65e8d5b8cbff766628dad7d366986676f18b1e89.tar.xz | |
cfg80211: fix P2P-Device stop locking
cfg80211_stop_p2p_device() requires the devlist_mtx to
be held, but nl80211_stop_p2p_device() doesn't acquire
it which is a locking error and causes a warning (when
lockdep is enabled). Fix this.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Diffstat (limited to 'net/wireless')
| -rw-r--r-- | net/wireless/nl80211.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c index 212d2aa7a1c5..3abcbbada6d4 100644 --- a/net/wireless/nl80211.c +++ b/net/wireless/nl80211.c @@ -8159,9 +8159,11 @@ static int nl80211_stop_p2p_device(struct sk_buff *skb, struct genl_info *info) if (!rdev->ops->stop_p2p_device) return -EOPNOTSUPP; + mutex_lock(&rdev->devlist_mtx); mutex_lock(&rdev->sched_scan_mtx); cfg80211_stop_p2p_device(rdev, wdev); mutex_unlock(&rdev->sched_scan_mtx); + mutex_unlock(&rdev->devlist_mtx); return 0; } |