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authorGrazvydas Ignotas <notasas@gmail.com>2012-04-26 23:07:44 +0300
committerJohn W. Linville <linville@tuxdriver.com>2012-04-27 15:25:25 -0400
commit4c1bcdb5a3354b250b82a67549f57ac27a3bb85f (patch)
treeeb0344a7ecb1ded174f3c225255e7bd8866fa8f5
parent328c32f0f85467af5a6c4c3289e168d9ad2555af (diff)
wl1251: fix crash on remove due to leftover work item
This driver currently leaves elp_work behind when stopping, which occasionally results in data corruption because work function ends up accessing freed memory, typical symptoms of this are various worker_thread crashes. Fix it by cancelling elp_work. Cc: stable@vger.kernel.org # v2.6.37+ Signed-off-by: Grazvydas Ignotas <notasas@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
-rw-r--r--drivers/net/wireless/wl1251/main.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/net/wireless/wl1251/main.c b/drivers/net/wireless/wl1251/main.c
index 41302c7b1ad0..d1afb8e3b2ef 100644
--- a/drivers/net/wireless/wl1251/main.c
+++ b/drivers/net/wireless/wl1251/main.c
@@ -479,6 +479,7 @@ static void wl1251_op_stop(struct ieee80211_hw *hw)
cancel_work_sync(&wl->irq_work);
cancel_work_sync(&wl->tx_work);
cancel_work_sync(&wl->filter_work);
+ cancel_delayed_work_sync(&wl->elp_work);
mutex_lock(&wl->mutex);