mac80211_hwsim: Make sure beacon_timer gets deleted

It was possible to trigger a kernel panic because beacon_timer may not
have been deleted in all cases when the kernel module was removed while
hostapd was still running.

Signed-off-by: Jouni Malinen <jouni.malinen@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

diff --git a/drivers/net/wireless/mac80211_hwsim.c b/drivers/net/wireless/mac80211_hwsim.c
index 2b07d4b..bc9da93 100644 (file)
--- a/drivers/net/wireless/mac80211_hwsim.c
+++ b/drivers/net/wireless/mac80211_hwsim.c
@@ -290,6 +290,7 @@ static void mac80211_hwsim_stop(struct ieee80211_hw *hw)
 {
        struct mac80211_hwsim_data *data = hw->priv;
        data->started = 0;
+       del_timer(&data->beacon_timer);
        printk(KERN_DEBUG "%s:%s\n", wiphy_name(hw->wiphy), __func__);
 }