From: Greg Kroah-Hartman gregkh@linuxfoundation.org
From: Biju Das biju.das.jz@bp.renesas.com
commit 6732f313938027a910e1f7351951ff52c0329e70 upstream.
RZ/G2L SoC has no UIF. This patch fixes null pointer access, when UIF module is not used.
Fixes: 5e824f989e6e8("media: v4l: vsp1: Integrate DISCOM in display pipeline") Signed-off-by: Biju Das biju.das.jz@bp.renesas.com Signed-off-by: Hans Verkuil hverkuil-cisco@xs4all.nl Signed-off-by: Mauro Carvalho Chehab mchehab+huawei@kernel.org Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org --- drivers/media/platform/vsp1/vsp1_drm.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-)
--- a/drivers/media/platform/vsp1/vsp1_drm.c +++ b/drivers/media/platform/vsp1/vsp1_drm.c @@ -462,9 +462,9 @@ static int vsp1_du_pipeline_setup_inputs * make sure it is present in the pipeline's list of entities if it * wasn't already. */ - if (!use_uif) { + if (drm_pipe->uif && !use_uif) { drm_pipe->uif->pipe = NULL; - } else if (!drm_pipe->uif->pipe) { + } else if (drm_pipe->uif && !drm_pipe->uif->pipe) { drm_pipe->uif->pipe = pipe; list_add_tail(&drm_pipe->uif->list_pipe, &pipe->entities); }