Merge tag 'asoc-v3.9-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound into for-linus

ASoC: Updates for v3.9

A few updates, more than I'd like, fixing some relatively small issues
but mostly driver specific ones.  Nothing wildly exciting so if it
doesn't make v3.9 it won't be the end of the world but it'd be nice.

1 files changed, 16 insertions, 8 deletions

diff --git a/net/wireless/scan.c b/net/wireless/scan.c
index 674aadca0079..fd99ea495b7e 100644
--- a/net/wireless/scan.c
+++ b/net/wireless/scan.c
@@ -169,7 +169,7 @@ void ___cfg80211_scan_done(struct cfg80211_registered_device *rdev, bool leak)
 	union iwreq_data wrqu;
 #endif
 
-	ASSERT_RDEV_LOCK(rdev);
+	lockdep_assert_held(&rdev->sched_scan_mtx);
 
 	request = rdev->scan_req;
 
@@ -230,9 +230,9 @@ void __cfg80211_scan_done(struct work_struct *wk)
 	rdev = container_of(wk, struct cfg80211_registered_device,
 			    scan_done_wk);
 
-	cfg80211_lock_rdev(rdev);
+	mutex_lock(&rdev->sched_scan_mtx);
 	___cfg80211_scan_done(rdev, false);
-	cfg80211_unlock_rdev(rdev);
+	mutex_unlock(&rdev->sched_scan_mtx);
 }
 
 void cfg80211_scan_done(struct cfg80211_scan_request *request, bool aborted)
@@ -698,11 +698,6 @@ cfg80211_bss_update(struct cfg80211_registered_device *dev,
 	found = rb_find_bss(dev, tmp, BSS_CMP_REGULAR);
 
 	if (found) {
-		found->pub.beacon_interval = tmp->pub.beacon_interval;
-		found->pub.signal = tmp->pub.signal;
-		found->pub.capability = tmp->pub.capability;
-		found->ts = tmp->ts;
-
 		/* Update IEs */
 		if (rcu_access_pointer(tmp->pub.proberesp_ies)) {
 			const struct cfg80211_bss_ies *old;
@@ -723,6 +718,8 @@ cfg80211_bss_update(struct cfg80211_registered_device *dev,
 
 			if (found->pub.hidden_beacon_bss &&
 			    !list_empty(&found->hidden_list)) {
+				const struct cfg80211_bss_ies *f;
+
 				/*
 				 * The found BSS struct is one of the probe
 				 * response members of a group, but we're
@@ -732,6 +729,10 @@ cfg80211_bss_update(struct cfg80211_registered_device *dev,
 				 * SSID to showing it, which is confusing so
 				 * drop this information.
 				 */
+
+				f = rcu_access_pointer(tmp->pub.beacon_ies);
+				kfree_rcu((struct cfg80211_bss_ies *)f,
+					  rcu_head);
 				goto drop;
 			}
 
@@ -761,6 +762,11 @@ cfg80211_bss_update(struct cfg80211_registered_device *dev,
 				kfree_rcu((struct cfg80211_bss_ies *)old,
 					  rcu_head);
 		}
+
+		found->pub.beacon_interval = tmp->pub.beacon_interval;
+		found->pub.signal = tmp->pub.signal;
+		found->pub.capability = tmp->pub.capability;
+		found->ts = tmp->ts;
 	} else {
 		struct cfg80211_internal_bss *new;
 		struct cfg80211_internal_bss *hidden;
@@ -1056,6 +1062,7 @@ int cfg80211_wext_siwscan(struct net_device *dev,
 	if (IS_ERR(rdev))
 		return PTR_ERR(rdev);
 
+	mutex_lock(&rdev->sched_scan_mtx);
 	if (rdev->scan_req) {
 		err = -EBUSY;
 		goto out;
@@ -1162,6 +1169,7 @@ int cfg80211_wext_siwscan(struct net_device *dev,
 		dev_hold(dev);
 	}
  out:
+	mutex_unlock(&rdev->sched_scan_mtx);
 	kfree(creq);
 	cfg80211_unlock_rdev(rdev);
 	return err;