X-Git-Url: http://plrg.eecs.uci.edu/git/?a=blobdiff_plain;f=net%2Fwireless%2Fwext-sme.c;h=e79cb5c0655ad34ec0e8df85471e6c77ad856716;hb=f18353eee7570412adca210b4968ecf2783754ba;hp=fb9622f6d99c4b6b6c87f8a8d8e2c88e4fb3705c;hpb=b2c6b3e0611c58fbeb6b9c0892b6249f7bdfaf6b;p=firefly-linux-kernel-4.4.55.git

diff --git a/net/wireless/wext-sme.c b/net/wireless/wext-sme.c
index fb9622f6d99c..e79cb5c0655a 100644
--- a/net/wireless/wext-sme.c
+++ b/net/wireless/wext-sme.c
@@ -89,6 +89,7 @@ int cfg80211_mgd_wext_siwfreq(struct net_device *dev,
 
 	cfg80211_lock_rdev(rdev);
 	mutex_lock(&rdev->devlist_mtx);
+	mutex_lock(&rdev->sched_scan_mtx);
 	wdev_lock(wdev);
 
 	if (wdev->sme_state != CFG80211_SME_IDLE) {
@@ -135,6 +136,7 @@ int cfg80211_mgd_wext_siwfreq(struct net_device *dev,
 	err = cfg80211_mgd_wext_connect(rdev, wdev);
  out:
 	wdev_unlock(wdev);
+	mutex_unlock(&rdev->sched_scan_mtx);
 	mutex_unlock(&rdev->devlist_mtx);
 	cfg80211_unlock_rdev(rdev);
 	return err;
@@ -190,6 +192,7 @@ int cfg80211_mgd_wext_siwessid(struct net_device *dev,
 
 	cfg80211_lock_rdev(rdev);
 	mutex_lock(&rdev->devlist_mtx);
+	mutex_lock(&rdev->sched_scan_mtx);
 	wdev_lock(wdev);
 
 	err = 0;
@@ -223,6 +226,7 @@ int cfg80211_mgd_wext_siwessid(struct net_device *dev,
 	err = cfg80211_mgd_wext_connect(rdev, wdev);
  out:
 	wdev_unlock(wdev);
+	mutex_unlock(&rdev->sched_scan_mtx);
 	mutex_unlock(&rdev->devlist_mtx);
 	cfg80211_unlock_rdev(rdev);
 	return err;
@@ -285,6 +289,7 @@ int cfg80211_mgd_wext_siwap(struct net_device *dev,
 
 	cfg80211_lock_rdev(rdev);
 	mutex_lock(&rdev->devlist_mtx);
+	mutex_lock(&rdev->sched_scan_mtx);
 	wdev_lock(wdev);
 
 	if (wdev->sme_state != CFG80211_SME_IDLE) {
@@ -313,6 +318,7 @@ int cfg80211_mgd_wext_siwap(struct net_device *dev,
 	err = cfg80211_mgd_wext_connect(rdev, wdev);
  out:
 	wdev_unlock(wdev);
+	mutex_unlock(&rdev->sched_scan_mtx);
 	mutex_unlock(&rdev->devlist_mtx);
 	cfg80211_unlock_rdev(rdev);
 	return err;