diff options
| author | Takashi Iwai <tiwai@suse.de> | 2012-04-20 13:59:33 +0200 |
|---|---|---|
| committer | Dave Airlie <airlied@redhat.com> | 2012-04-20 13:59:33 +0200 |
| commit | fc48f169dd2e461e687a63c3a69ade57b4ece59e (patch) | |
| tree | a1ba2cb9d778b5edb7efdac9ff30e5efe02e827a /drivers/gpu/drm/drm_edid.c | |
| parent | drm/edid: Generate modes from extra_modes for range descriptors (diff) | |
| download | linux-fc48f169dd2e461e687a63c3a69ade57b4ece59e.tar.xz linux-fc48f169dd2e461e687a63c3a69ade57b4ece59e.zip | |
drm/edid: add missing NULL checks.
Reviewed-by: Dave Airlie <airlied@redhat.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
Diffstat (limited to 'drivers/gpu/drm/drm_edid.c')
| -rw-r--r-- | drivers/gpu/drm/drm_edid.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/gpu/drm/drm_edid.c b/drivers/gpu/drm/drm_edid.c index 38ee2f22304c..bad2f11aa224 100644 --- a/drivers/gpu/drm/drm_edid.c +++ b/drivers/gpu/drm/drm_edid.c @@ -779,6 +779,8 @@ drm_mode_std(struct drm_connector *connector, struct edid *edid, * secondary GTF curve. Please don't do that. */ mode = drm_gtf_mode(dev, hsize, vsize, vrefresh_rate, 0, 0); + if (!mode) + return NULL; if (drm_mode_hsync(mode) > drm_gtf2_hbreak(edid)) { drm_mode_destroy(dev, mode); mode = drm_gtf_mode_complex(dev, hsize, vsize, @@ -1048,6 +1050,8 @@ drm_gtf_modes_for_range(struct drm_connector *connector, struct edid *edid, for (i = 0; i < num_extra_modes; i++) { const struct minimode *m = &extra_modes[i]; newmode = drm_gtf_mode(dev, m->w, m->h, m->r, 0, 0); + if (!newmode) + return modes; if (!mode_in_range(newmode, edid, timing)) { drm_mode_destroy(dev, newmode); @@ -1073,6 +1077,8 @@ drm_cvt_modes_for_range(struct drm_connector *connector, struct edid *edid, for (i = 0; i < num_extra_modes; i++) { const struct minimode *m = &extra_modes[i]; newmode = drm_cvt_mode(dev, m->w, m->h, m->r, rb, 0, 0); + if (!newmode) + return modes; if (!mode_in_range(newmode, edid, timing)) { drm_mode_destroy(dev, newmode); |