Commit 3090a191 authored Nov 27, 2017 by Simon Shields Committed by Mauro Carvalho Chehab Dec 18, 2017

media: exynos4-is: Check pipe is valid before calling subdev



If the subdev is not yet present (probably because the subdev
module has not yet been loaded), the pipe will be NULL. Make sure
that this is not the case before attempting to call the op.

Signed-off-by: Simon Shields <simon@lineageos.org>
Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>

parent 2d41a0c9

include/media/drv-intf/exynos-fimc.h

+2 −1

Original line number	Diff line number	Diff line
		@@ -155,7 +155,8 @@ static inline struct exynos_video_entity *vdev_to_exynos_video_entity(
		}

		#define fimc_pipeline_call(ent, op, args...) \
		(!(ent) ? -ENOENT : (((ent)->pipe->ops && (ent)->pipe->ops->op) ? \
		((!(ent) \|\| !(ent)->pipe) ? -ENOENT : \
		(((ent)->pipe->ops && (ent)->pipe->ops->op) ? \
		(ent)->pipe->ops->op(((ent)->pipe), ##args) : -ENOIOCTLCMD)) \

		#endif /* S5P_FIMC_H_ */

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