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authorJohannes Berg <johannes.berg@intel.com>2013-08-13 09:23:57 +0200
committerJohannes Berg <johannes.berg@intel.com>2013-08-14 14:00:19 +0200
commitdee8a9732e713480075adbbca8eb220c5b8d1216 (patch)
tree8b7513da02dde717462ae6ff94009c10f587d9c3 /net
parentcb35fba360dfc3496e5d8a47e23ec5ccdfd90925 (diff)
downloadlinux-dee8a9732e713480075adbbca8eb220c5b8d1216.tar.bz2
cfg80211: don't request disconnect if not connected
Neil Brown reports that with libertas, my recent cfg80211 SME changes in commit ceca7b7121795ef81bd598a240d53a92566 ("cfg80211: separate internal SME implementation") broke libertas suspend because it we now asked it to disconnect while already disconnected. The problematic change is in cfg80211_disconnect() as it previously checked the SME state and now calls the driver disconnect operation unconditionally. Fix this by checking if there's a current_bss indicating a connection, and do nothing if not. Reported-and-tested-by: Neil Brown <neilb@suse.de> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Diffstat (limited to 'net')
-rw-r--r--net/wireless/sme.c10
1 files changed, 4 insertions, 6 deletions
diff --git a/net/wireless/sme.c b/net/wireless/sme.c
index 81c8a10d743c..20e86a95dc4e 100644
--- a/net/wireless/sme.c
+++ b/net/wireless/sme.c
@@ -976,21 +976,19 @@ int cfg80211_disconnect(struct cfg80211_registered_device *rdev,
struct net_device *dev, u16 reason, bool wextev)
{
struct wireless_dev *wdev = dev->ieee80211_ptr;
- int err;
+ int err = 0;
ASSERT_WDEV_LOCK(wdev);
kfree(wdev->connect_keys);
wdev->connect_keys = NULL;
- if (wdev->conn) {
+ if (wdev->conn)
err = cfg80211_sme_disconnect(wdev, reason);
- } else if (!rdev->ops->disconnect) {
+ else if (!rdev->ops->disconnect)
cfg80211_mlme_down(rdev, dev);
- err = 0;
- } else {
+ else if (wdev->current_bss)
err = rdev_disconnect(rdev, dev, reason);
- }
return err;
}