From: Sylwester Nawrocki Date: Fri, 31 May 2013 14:37:23 +0000 (-0300) Subject: [media] exynos4-is: Remove WARN_ON() from __fimc_pipeline_close() X-Git-Tag: firefly_0821_release~176^2~3573^2~1795 X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=36da6fcdc52eae6f06f6a3fde9f8395187222162;p=firefly-linux-kernel-4.4.55.git [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 Signed-off-by: Kyungmin Park Signed-off-by: Mauro Carvalho Chehab --- diff --git a/drivers/media/platform/exynos4-is/media-dev.c b/drivers/media/platform/exynos4-is/media-dev.c index 2020e44f63b1..5b307f26f995 100644 --- a/drivers/media/platform/exynos4-is/media-dev.c +++ b/drivers/media/platform/exynos4-is/media-dev.c @@ -220,16 +220,16 @@ static int __fimc_pipeline_close(struct exynos_media_pipeline *ep) 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; - - if (WARN_ON(sd == NULL)) - return -EINVAL; + int ret; - 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 */