diff options
Diffstat (limited to 'net/wireless/sme.c')
| -rw-r--r-- | net/wireless/sme.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/net/wireless/sme.c b/net/wireless/sme.c index 340934f714b2..219c3bc2c37d 100644 --- a/net/wireless/sme.c +++ b/net/wireless/sme.c @@ -256,9 +256,11 @@ 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, @@ -644,6 +646,7 @@ int __cfg80211_connect(struct cfg80211_registered_device *rdev, struct cfg80211_cached_keys *connkeys) { struct wireless_dev *wdev = dev->ieee80211_ptr; + struct ieee80211_channel *chan; int err; ASSERT_WDEV_LOCK(wdev); @@ -651,6 +654,10 @@ int __cfg80211_connect(struct cfg80211_registered_device *rdev, if (wdev->sme_state != CFG80211_SME_IDLE) return -EALREADY; + chan = rdev_fixed_channel(rdev, wdev); + if (chan && chan != connect->channel) + return -EBUSY; + if (WARN_ON(wdev->connect_keys)) { kfree(wdev->connect_keys); wdev->connect_keys = NULL; @@ -785,9 +792,11 @@ int cfg80211_connect(struct cfg80211_registered_device *rdev, { int err; + mutex_lock(&rdev->devlist_mtx); wdev_lock(dev->ieee80211_ptr); err = __cfg80211_connect(rdev, dev, connect, connkeys); wdev_unlock(dev->ieee80211_ptr); + mutex_unlock(&rdev->devlist_mtx); return err; } |