diff options
| -rw-r--r-- | drivers/gpu/drm/drm_client_modeset.c | 3 | ||||
| -rw-r--r-- | drivers/gpu/drm/drm_modes.c | 6 |
2 files changed, 8 insertions, 1 deletions
diff --git a/drivers/gpu/drm/drm_client_modeset.c b/drivers/gpu/drm/drm_client_modeset.c index e95fceac8f8b..56d36779d213 100644 --- a/drivers/gpu/drm/drm_client_modeset.c +++ b/drivers/gpu/drm/drm_client_modeset.c @@ -180,7 +180,8 @@ again: create_mode: mode = drm_mode_create_from_cmdline_mode(connector->dev, cmdline_mode); - list_add(&mode->head, &connector->modes); + if (mode) + list_add(&mode->head, &connector->modes); return mode; } diff --git a/drivers/gpu/drm/drm_modes.c b/drivers/gpu/drm/drm_modes.c index 910561d4f071..74a5739df506 100644 --- a/drivers/gpu/drm/drm_modes.c +++ b/drivers/gpu/drm/drm_modes.c @@ -158,6 +158,9 @@ struct drm_display_mode *drm_cvt_mode(struct drm_device *dev, int hdisplay, int interlace; u64 tmp; + if (!hdisplay || !vdisplay) + return NULL; + /* allocate the drm_display_mode structure. If failure, we will * return directly */ @@ -392,6 +395,9 @@ drm_gtf_mode_complex(struct drm_device *dev, int hdisplay, int vdisplay, int hsync, hfront_porch, vodd_front_porch_lines; unsigned int tmp1, tmp2; + if (!hdisplay || !vdisplay) + return NULL; + drm_mode = drm_mode_create(dev); if (!drm_mode) return NULL; |