From 2ea9fb3d79aac371e5bb0c4b0f5be7195e8fcd33 Mon Sep 17 00:00:00 2001 From: Juuso Oikarinen Date: Thu, 18 Mar 2010 12:26:45 +0200 Subject: [PATCH] wl1271: Remove circular interlocking related to the inetaddr notifier chain Removing the wl1271 from the inet addr notifier chain sometimes causes the registered handler to be called - causing locking problems if the removing function is called from within the mutex. Signed-off-by: Juuso Oikarinen Reviewed-by: Teemu Paasikivi Signed-off-by: Luciano Coelho Signed-off-by: John W. Linville --- drivers/net/wireless/wl12xx/wl1271_main.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/net/wireless/wl12xx/wl1271_main.c b/drivers/net/wireless/wl12xx/wl1271_main.c index 6f6d366491a3..0bebc456ec0d 100644 --- a/drivers/net/wireless/wl12xx/wl1271_main.c +++ b/drivers/net/wireless/wl12xx/wl1271_main.c @@ -1029,12 +1029,13 @@ static void wl1271_op_remove_interface(struct ieee80211_hw *hw, struct wl1271 *wl = hw->priv; int i; + unregister_inetaddr_notifier(&wl1271_dev_notifier); + mutex_lock(&wl->mutex); wl1271_debug(DEBUG_MAC80211, "mac80211 remove interface"); wl1271_info("down"); - unregister_inetaddr_notifier(&wl1271_dev_notifier); list_del(&wl->list); WARN_ON(wl->state != WL1271_STATE_ON); -- 2.34.1