diff options
| author | Johannes Berg <johannes@sipsolutions.net> | 2009-07-11 00:17:32 +0200 |
|---|---|---|
| committer | John W. Linville <linville@tuxdriver.com> | 2009-07-24 15:05:12 -0400 |
| commit | 596a07c18b35c9df2fb212856241ae0dfe3162b9 (patch) | |
| tree | 0629a2e3cd6aec37a7ac7eab63bcf7ef5121da7e /net/wireless/mlme.c | |
| parent | 930c06f27120fa8cf0bfb6fa000a701cfaf01ed6 (diff) | |
| download | lwn-596a07c18b35c9df2fb212856241ae0dfe3162b9.tar.gz lwn-596a07c18b35c9df2fb212856241ae0dfe3162b9.zip | |
cfg80211: fix more bugs in mlme handling
The "what-was-I-thinking-if-anything" patch. Clearly,
if cfg80211_send_disassoc() does wdev_lock() and then
calls __cfg80211_send_disassoc(), the latter shouldn't
lock again. And the sme_state test is ... no further
comments.
Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'net/wireless/mlme.c')
| -rw-r--r-- | net/wireless/mlme.c | 8 |
1 files changed, 3 insertions, 5 deletions
diff --git a/net/wireless/mlme.c b/net/wireless/mlme.c index 8e4ce2fdf862..5b9b22120824 100644 --- a/net/wireless/mlme.c +++ b/net/wireless/mlme.c @@ -178,12 +178,12 @@ static void __cfg80211_send_disassoc(struct net_device *dev, bool from_ap; bool done = false; - wdev_lock(wdev); + ASSERT_WDEV_LOCK(wdev); nl80211_send_disassoc(rdev, dev, buf, len, GFP_KERNEL); - if (!wdev->sme_state == CFG80211_SME_CONNECTED) - goto out; + if (wdev->sme_state != CFG80211_SME_CONNECTED) + return; if (wdev->current_bss && memcmp(wdev->current_bss, bssid, ETH_ALEN) == 0) { @@ -205,8 +205,6 @@ static void __cfg80211_send_disassoc(struct net_device *dev, from_ap = memcmp(mgmt->da, dev->dev_addr, ETH_ALEN) == 0; __cfg80211_disconnected(dev, NULL, 0, reason_code, from_ap); - out: - wdev_unlock(wdev); } void cfg80211_send_disassoc(struct net_device *dev, const u8 *buf, size_t len, |