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Diffstat (limited to 'net/wireless/sme.c')
-rw-r--r--net/wireless/sme.c9
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;
}
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