From: Dinghao Liu <dinghao.liu@zju.edu.cn>
Date: Wed, 20 May 2020 12:57:22 +0000 (+0800)
Subject: wlcore: fix runtime pm imbalance in wl1271_op_suspend
X-Git-Tag: baikal/mips/sdk5.9~13530^2~46^2~18
X-Git-Url: https://git.baikalelectronics.ru/sdk/?a=commitdiff_plain;h=94f2c66cd0c5d666e7511e9337e84c9baf90e5d3;p=kernel.git

wlcore: fix runtime pm imbalance in wl1271_op_suspend

When wlcore_hw_interrupt_notify() returns an error code,
a pairing runtime PM usage counter decrement is needed to
keep the counter balanced.

Signed-off-by: Dinghao Liu <dinghao.liu@zju.edu.cn>
Acked-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Link: https://lore.kernel.org/r/20200520125724.12832-1-dinghao.liu@zju.edu.cn
---

diff --git a/drivers/net/wireless/ti/wlcore/main.c b/drivers/net/wireless/ti/wlcore/main.c
index fa4ced9864c0e..bf6698fc13894 100644
--- a/drivers/net/wireless/ti/wlcore/main.c
+++ b/drivers/net/wireless/ti/wlcore/main.c
@@ -1746,9 +1746,7 @@ static int __maybe_unused wl1271_op_suspend(struct ieee80211_hw *hw,
 
 		ret = wl1271_configure_suspend(wl, wlvif, wow);
 		if (ret < 0) {
-			mutex_unlock(&wl->mutex);
-			wl1271_warning("couldn't prepare device to suspend");
-			return ret;
+			goto out_sleep;
 		}
 	}