On 2015년 02월 05일 16:11, Joonyoung Shim wrote:
> There is a case called disable_plane callback function even if
> plane->crtc is NULL from exynos_drm_encoder_disable and it will cause
> NULL pointer reference error.
Applied. (patch 1 though 4)
Thanks,
Inki Dae
>
> Signed-off-by: Joonyoung Shim <jy0922.shim@xxxxxxxxxxx>
> ---
> drivers/gpu/drm/exynos/exynos_drm_encoder.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/gpu/drm/exynos/exynos_drm_encoder.c b/drivers/gpu/drm/exynos/exynos_drm_encoder.c
> index 7e282e3..57de0bd 100644
> --- a/drivers/gpu/drm/exynos/exynos_drm_encoder.c
> +++ b/drivers/gpu/drm/exynos/exynos_drm_encoder.c
> @@ -102,7 +102,7 @@ static void exynos_drm_encoder_disable(struct drm_encoder *encoder)
>
> /* all planes connected to this encoder should be also disabled. */
> drm_for_each_legacy_plane(plane, &dev->mode_config.plane_list) {
> - if (plane->crtc == encoder->crtc)
> + if (plane->crtc && (plane->crtc == encoder->crtc))
> plane->funcs->disable_plane(plane);
> }
> }
>
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