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[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>
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@ -220,16 +220,16 @@ static int __fimc_pipeline_close(struct exynos_media_pipeline *ep)
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struct fimc_pipeline *p = to_fimc_pipeline(ep);
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struct v4l2_subdev *sd = p ? p->subdevs[IDX_SENSOR] : NULL;
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struct fimc_md *fmd;
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int ret = 0;
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int ret;
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if (WARN_ON(sd == NULL))
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return -EINVAL;
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if (p->subdevs[IDX_SENSOR]) {
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ret = fimc_pipeline_s_power(p, 0);
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fimc_md_set_camclk(sd, false);
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if (sd == NULL) {
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pr_warn("%s(): No sensor subdev\n", __func__);
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return 0;
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}
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ret = fimc_pipeline_s_power(p, 0);
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fimc_md_set_camclk(sd, false);
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fmd = entity_to_fimc_mdev(&sd->entity);
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/* Disable PXLASYNC clock if this pipeline includes FIMC-IS */
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