diff options
author | Vasanthakumar Thiagarajan <vthiagar@qca.qualcomm.com> | 2013-06-20 12:47:20 +0530 |
---|---|---|
committer | Kalle Valo <kvalo@qca.qualcomm.com> | 2013-08-07 10:53:36 +0300 |
commit | f32036e823c45cb4974aab1d0ae66d716bfc9aa6 (patch) | |
tree | 62e6915c2601b30cad35c0f6d3dc4d1c49c225fd /drivers/net/wireless/ath/ath6kl | |
parent | 8cc8df906f953ae0cfe785720989928021d7fe2d (diff) |
ath6kl: Fix race in heart beat polling
Make sure to cancel heart beat timer before
freeing wmi to avoid potential NULL pointer
dereference.
Signed-off-by: Vasanthakumar Thiagarajan <vthiagar@qca.qualcomm.com>
Signed-off-by: Mohammed Shafi Shajakhan <mohammed@qca.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
Diffstat (limited to 'drivers/net/wireless/ath/ath6kl')
-rw-r--r-- | drivers/net/wireless/ath/ath6kl/init.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/net/wireless/ath/ath6kl/init.c b/drivers/net/wireless/ath/ath6kl/init.c index 6a67881f94d6..4f316bdcbab5 100644 --- a/drivers/net/wireless/ath/ath6kl/init.c +++ b/drivers/net/wireless/ath/ath6kl/init.c @@ -1836,6 +1836,9 @@ void ath6kl_stop_txrx(struct ath6kl *ar) clear_bit(WMI_READY, &ar->flag); + if (ar->fw_recovery.enable) + del_timer_sync(&ar->fw_recovery.hb_timer); + /* * After wmi_shudown all WMI events will be dropped. We * need to cleanup the buffers allocated in AP mode and |