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| author | Tales Lelo da Aparecida <tales.aparecida@gmail.com> | 2022-04-15 08:12:59 -0300 |
|---|---|---|
| committer | Melissa Wen <melissa.srw@gmail.com> | 2022-06-12 22:14:03 -0100 |
| commit | 24f6fe3226c6f9f1b8406311a96b59c6e650b707 (patch) | |
| tree | 87d16112039b685318fb2cf91a6d9669fa38c550 /drivers/gpu/drm/vkms | |
| parent | e5a068983cf41bfee2c15656e62f401c5f8b0437 (diff) | |
| download | lwn-24f6fe3226c6f9f1b8406311a96b59c6e650b707.tar.gz lwn-24f6fe3226c6f9f1b8406311a96b59c6e650b707.zip | |
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: 7938f4218168 ("dma-buf-map: Rename to iosys-map")
Reviewed-by: André Almeida <andrealmeid@riseup.net>
Signed-off-by: Tales Lelo da Aparecida <tales.aparecida@gmail.com>
Signed-off-by: Melissa Wen <melissa.srw@gmail.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220415111300.61013-2-tales.aparecida@gmail.com
Diffstat (limited to 'drivers/gpu/drm/vkms')
| -rw-r--r-- | drivers/gpu/drm/vkms/vkms_composer.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/gpu/drm/vkms/vkms_composer.c b/drivers/gpu/drm/vkms/vkms_composer.c index 914c0ac7dc8b..0f5655f72640 100644 --- a/drivers/gpu/drm/vkms/vkms_composer.c +++ b/drivers/gpu/drm/vkms/vkms_composer.c @@ -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; |