diff options
Diffstat (limited to 'drivers/gpu/drm')
| -rw-r--r-- | drivers/gpu/drm/clients/drm_log.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/gpu/drm/clients/drm_log.c b/drivers/gpu/drm/clients/drm_log.c index f23a92f826c9..467cdce57dd3 100644 --- a/drivers/gpu/drm/clients/drm_log.c +++ b/drivers/gpu/drm/clients/drm_log.c @@ -218,6 +218,12 @@ static int drm_log_setup_modeset(struct drm_client_dev *client, scanout->scaled_font_w = scanout->font->width * scale; scanout->rows = height / scanout->scaled_font_h; scanout->columns = width / scanout->scaled_font_w; + if (!scanout->rows || !scanout->columns) { + drm_client_buffer_delete(scanout->buffer); + scanout->buffer = NULL; + mode_set->fb = NULL; + return -EINVAL; + } scanout->front_color = drm_draw_color_from_xrgb8888(0xffffff, format); scanout->prefix_color = drm_draw_color_from_xrgb8888(0x4e9a06, format); return 0; |