wlcore: fix runtime pm imbalance in wl1271_tx_work

There are two error handling paths in this functon. When
wlcore_tx_work_locked() returns an error code, we should
decrease the runtime PM usage counter the same way as the
error handling path beginning from pm_runtime_get_sync().

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/20200520124241.9931-1-dinghao.liu@zju.edu.cn

diff --git a/drivers/net/wireless/ti/wlcore/tx.c b/drivers/net/wireless/ti/wlcore/tx.c
index 90e56d4..e20e18c 100644 (file)
--- a/drivers/net/wireless/ti/wlcore/tx.c
+++ b/drivers/net/wireless/ti/wlcore/tx.c
@@ -863,6 +863,7 @@ void wl1271_tx_work(struct work_struct *work)
 
        ret = wlcore_tx_work_locked(wl);
        if (ret < 0) {
+               pm_runtime_put_noidle(wl->dev);
                wl12xx_queue_recovery_work(wl);
                goto out;
        }