diff options
| author | John W. Linville <linville@tuxdriver.com> | 2013-03-29 16:41:36 -0400 |
|---|---|---|
| committer | John W. Linville <linville@tuxdriver.com> | 2013-03-29 16:41:36 -0400 |
| commit | 9a574cd67a447059f9c14bbef47873315d7f7b35 (patch) | |
| tree | 0ebb71d213d868d8884b1fa0e05b7393c66c665b /net/wireless/sme.c | |
| parent | 689b66cb53fbb5d567aa4e095eaa828aff73aef0 (diff) | |
| parent | 2e1253d640eb7f8707d2591c93097c1e9f9c71d5 (diff) | |
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless
Conflicts:
net/mac80211/sta_info.c
net/wireless/core.h
Diffstat (limited to 'net/wireless/sme.c')
| -rw-r--r-- | net/wireless/sme.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/net/wireless/sme.c b/net/wireless/sme.c index 88fc9aa54fe0..818ad637819a 100644 --- a/net/wireless/sme.c +++ b/net/wireless/sme.c @@ -85,6 +85,7 @@ static int cfg80211_conn_scan(struct wireless_dev *wdev) ASSERT_RTNL(); ASSERT_RDEV_LOCK(rdev); ASSERT_WDEV_LOCK(wdev); + lockdep_assert_held(&rdev->sched_scan_mtx); if (rdev->scan_req) return -EBUSY; @@ -324,11 +325,9 @@ void cfg80211_sme_scan_done(struct net_device *dev) { struct wireless_dev *wdev = dev->ieee80211_ptr; - mutex_lock(&wiphy_to_dev(wdev->wiphy)->devlist_mtx); wdev_lock(wdev); __cfg80211_sme_scan_done(dev); wdev_unlock(wdev); - mutex_unlock(&wiphy_to_dev(wdev->wiphy)->devlist_mtx); } void cfg80211_sme_rx_auth(struct net_device *dev, @@ -928,9 +927,12 @@ int cfg80211_connect(struct cfg80211_registered_device *rdev, int err; mutex_lock(&rdev->devlist_mtx); + /* might request scan - scan_mtx -> wdev_mtx dependency */ + mutex_lock(&rdev->sched_scan_mtx); wdev_lock(dev->ieee80211_ptr); err = __cfg80211_connect(rdev, dev, connect, connkeys, NULL); wdev_unlock(dev->ieee80211_ptr); + mutex_unlock(&rdev->sched_scan_mtx); mutex_unlock(&rdev->devlist_mtx); return err; |