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Commit 8dc9270d authored by Qiushi Wu's avatar Qiushi Wu Committed by Greg Kroah-Hartman
Browse files

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



[ Upstream commit aaffa0126a111d65f4028c503c76192d4cc93277 ]

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: 90dedce9 ("media: rcar-vin: add function to manipulate Gen3 chsel value")
Signed-off-by: default avatarQiushi Wu <wu000273@umn.edu>
Signed-off-by: default avatarHans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: default avatarMauro Carvalho Chehab <mchehab+huawei@kernel.org>
Signed-off-by: default avatarSasha Levin <sashal@kernel.org>
parent e19d4e69

drivers/media/platform/rcar-vin/rcar-dma.c

+3 −1
Original line number Diff line number Diff line
@@ -1323,8 +1323,10 @@ 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);