Commit 24f6fe32 authored by Tales Lelo da Aparecida's avatar Tales Lelo da Aparecida Committed by Melissa Wen
Browse files

drm/vkms: check plane_composer->map[0] before using it 



Fix a copypasta error. The caller of compose_plane() already checks
primary_composer->map. In contrast, plane_composer->map is never
verified here before handling.

Fixes: 7938f421 ("dma-buf-map: Rename to iosys-map")
Reviewed-by: default avatarAndré Almeida <andrealmeid@riseup.net>
Signed-off-by: default avatarTales Lelo da Aparecida <tales.aparecida@gmail.com>
Signed-off-by: default avatarMelissa Wen <melissa.srw@gmail.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220415111300.61013-2-tales.aparecida@gmail.com
parent e5a06898

drivers/gpu/drm/vkms/vkms_composer.c

+1 −1
Original line number Diff line number Diff line
@@ -157,7 +157,7 @@ static void compose_plane(struct vkms_composer *primary_composer, 
	void *vaddr;

	void (*pixel_blend)(const u8 *p_src, u8 *p_dst);



	if (WARN_ON(iosys_map_is_null(&primary_composer->map[0])))

	if (WARN_ON(iosys_map_is_null(&plane_composer->map[0])))

		return;



	vaddr = plane_composer->map[0].vaddr;