diff mbox series

media: rcar-vin: Fix a reference count leak.

Message ID 20200613223008.11720-1-wu000273@umn.edu
State Accepted
Commit aaffa0126a111d65f4028c503c76192d4cc93277
Headers show
Series media: rcar-vin: Fix a reference count leak. | expand

Commit Message

wu000273@umn.edu June 13, 2020, 10:30 p.m. UTC 
From: Qiushi Wu <wu000273@umn.edu>

pm_runtime_get_sync() increments the runtime PM usage counter even
when it returns an error code. Thus call pm_runtime_put_noidle()
if pm_runtime_get_sync() fails.

Fixes: 90dedce9bc54 ("media: rcar-vin: add function to manipulate Gen3 chsel value")
Signed-off-by: Qiushi Wu <wu000273@umn.edu>
---
 drivers/media/platform/rcar-vin/rcar-dma.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)
diff mbox series

Patch

diff --git a/drivers/media/platform/rcar-vin/rcar-dma.c b/drivers/media/platform/rcar-vin/rcar-dma.c
index 1a30cd036371..95bc9e0e8792 100644
--- a/drivers/media/platform/rcar-vin/rcar-dma.c
+++ b/drivers/media/platform/rcar-vin/rcar-dma.c
@@ -1392,8 +1392,10 @@  int rvin_set_channel_routing(struct rvin_dev *vin, u8 chsel)
 	int ret;
 
 	ret = pm_runtime_get_sync(vin->dev);
-	if (ret < 0)
+	if (ret < 0) {
+		pm_runtime_put_noidle(vin->dev);
 		return ret;
+	}
 
 	/* Make register writes take effect immediately. */
 	vnmc = rvin_read(vin, VNMC_REG);