[PATCH v2 08/10] media: microchip-isc: fix PM runtime leak in AWB work handler

[Balakrishnan Sambath]

Early return when streaming stops skips pm_runtime_put_sync(),
leaking the reference and preventing runtime suspend.

Fixes: 91b4e487b0c6 ("media: microchip: add ISC driver as Microchip ISC")
Cc: stable@xxxxxxxxxxxxxxx
Signed-off-by: Balakrishnan Sambath <balakrishnan.s@xxxxxxxxxxxxx>
Reviewed-by: Eugen Hristev <ehristev@xxxxxxxxxx>
---
 drivers/media/platform/microchip/microchip-isc-base.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/media/platform/microchip/microchip-isc-base.c b/drivers/media/platform/microchip/microchip-isc-base.c
index 4e87e5f45ac4..1a9b97edfa32 100644
--- a/drivers/media/platform/microchip/microchip-isc-base.c
+++ b/drivers/media/platform/microchip/microchip-isc-base.c
@@ -1432,7 +1432,7 @@ static void isc_awb_work(struct work_struct *w)
 	/* streaming is not active anymore */
 	if (isc->stop) {
 		mutex_unlock(&isc->awb_mutex);
-		return;
+		goto out_pm_put;
 	}
 
 	isc_update_profile(isc);
@@ -1443,6 +1443,7 @@ static void isc_awb_work(struct work_struct *w)
 	if (ctrls->awb)
 		regmap_write(regmap, ISC_CTRLEN, ISC_CTRL_HISREQ);
 
+out_pm_put:
 	pm_runtime_put_sync(isc->dev);
 }
 

-- 
2.34.1