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-rw-r--r--net/wireless/core.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/net/wireless/core.c b/net/wireless/core.c
index 62e1ac00879..e630648fef7 100644
--- a/net/wireless/core.c
+++ b/net/wireless/core.c
@@ -710,6 +710,7 @@ static int cfg80211_netdev_notifier_call(struct notifier_block * nb,
case NETDEV_UP:
#ifdef CONFIG_WIRELESS_EXT
cfg80211_lock_rdev(rdev);
+ mutex_lock(&rdev->devlist_mtx);
wdev_lock(wdev);
switch (wdev->iftype) {
case NL80211_IFTYPE_ADHOC:
@@ -722,6 +723,7 @@ static int cfg80211_netdev_notifier_call(struct notifier_block * nb,
break;
}
wdev_unlock(wdev);
+ mutex_unlock(&rdev->devlist_mtx);
cfg80211_unlock_rdev(rdev);
#endif
break;