Commit f32036e8 authored Jun 20, 2013 by Vasanthakumar Thiagarajan Committed by Kalle Valo Aug 07, 2013

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>

parent 8cc8df90

drivers/net/wireless/ath/ath6kl/init.c

+3 −0

Original line number	Diff line number	Diff line
		@@ -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