[media] exynos4-is: Remove WARN_ON() from __fimc_pipeline_close()
It's not a critical error to call __fimc_pipeline_close() with missing
sensor subdev entity. Replace WARN_ON() with pr_warn() and return 0
instead of -EINVAL to fix control flow in some conditions.
Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
diff --git a/drivers/media/platform/exynos4-is/media-dev.c b/drivers/media/platform/exynos4-is/media-dev.c
index 2020e44..5b307f2 100644
--- a/drivers/media/platform/exynos4-is/media-dev.c
+++ b/drivers/media/platform/exynos4-is/media-dev.c
@@ -220,16 +220,16 @@
struct fimc_pipeline *p = to_fimc_pipeline(ep);
struct v4l2_subdev *sd = p ? p->subdevs[IDX_SENSOR] : NULL;
struct fimc_md *fmd;
- int ret = 0;
+ int ret;
- if (WARN_ON(sd == NULL))
- return -EINVAL;
-
- if (p->subdevs[IDX_SENSOR]) {
- ret = fimc_pipeline_s_power(p, 0);
- fimc_md_set_camclk(sd, false);
+ if (sd == NULL) {
+ pr_warn("%s(): No sensor subdev\n", __func__);
+ return 0;
}
+ ret = fimc_pipeline_s_power(p, 0);
+ fimc_md_set_camclk(sd, false);
+
fmd = entity_to_fimc_mdev(&sd->entity);
/* Disable PXLASYNC clock if this pipeline includes FIMC-IS */