From d53628882255481b710641dd0118fbd80af6e983 Mon Sep 17 00:00:00 2001 From: Bjorn Andersson Date: Wed, 11 Jan 2017 16:32:21 +0200 Subject: [PATCH] wcn36xx: Don't use the destroyed hal_mutex ieee80211_unregister_hw() might invoke operations to stop the interface, that uses the hal_mutex. So don't destroy it until after we're done using it. Signed-off-by: Bjorn Andersson Signed-off-by: Kalle Valo --- drivers/net/wireless/ath/wcn36xx/main.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/net/wireless/ath/wcn36xx/main.c b/drivers/net/wireless/ath/wcn36xx/main.c index 96a9584..0002190 100644 --- a/drivers/net/wireless/ath/wcn36xx/main.c +++ b/drivers/net/wireless/ath/wcn36xx/main.c @@ -1241,7 +1241,6 @@ static int wcn36xx_remove(struct platform_device *pdev) wcn36xx_dbg(WCN36XX_DBG_MAC, "platform remove\n"); release_firmware(wcn->nv); - mutex_destroy(&wcn->hal_mutex); ieee80211_unregister_hw(hw); @@ -1250,6 +1249,8 @@ static int wcn36xx_remove(struct platform_device *pdev) iounmap(wcn->dxe_base); iounmap(wcn->ccu_base); + + mutex_destroy(&wcn->hal_mutex); ieee80211_free_hw(hw); return 0; -- 2.7.4