[PATCH 5.11 119/306] media: v4l: vsp1: Fix bru null pointer access

From: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

From: Biju Das <biju.das.jz@bp.renesas.com>

commit ac8d82f586c8692b501cb974604a71ef0e22a04c upstream.

RZ/G2L SoC has only BRS. This patch fixes null pointer access,when only
BRS is enabled.

Fixes: cbb7fa49c7466("media: v4l: vsp1: Rename BRU to BRx")
Signed-off-by: Biju Das <biju.das.jz@bp.renesas.com>
Signed-off-by: Hans Verkuil <redacted>
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 |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/drivers/media/platform/vsp1/vsp1_drm.c
+++ b/drivers/media/platform/vsp1/vsp1_drm.c

@@ -245,7 +245,7 @@ static int vsp1_du_pipeline_setup_brx(st
 		brx = &vsp1->bru->entity;
 	else if (pipe->brx && !drm_pipe->force_brx_release)
 		brx = pipe->brx;
-	else if (!vsp1->bru->entity.pipe)
+	else if (vsp1_feature(vsp1, VSP1_HAS_BRU) && !vsp1->bru->entity.pipe)
 		brx = &vsp1->bru->entity;
 	else
 		brx = &vsp1->brs->entity;