diff options
| author | Michel Dänzer <michel.daenzer@amd.com> | 2018-09-13 11:44:21 +0200 |
|---|---|---|
| committer | Michel Dänzer <michel@daenzer.net> | 2018-09-13 11:44:21 +0200 |
| commit | 6572be49b713a26eca14f16e1854cabf28101288 (patch) | |
| tree | dcc670c725a2bfea0509e9b51d6528afed98ea35 | |
| parent | ca5eb9894fff153c0a1df7bdc4a4745713309e27 (diff) | |
Bail from drmmode_cm_init if there's no CRTC
We would crash due to dereferencing the NULL mode_res->crtc pointer.
Bugzilla: https://bugs.freedesktop.org/107913
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
| -rw-r--r-- | src/drmmode_display.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/src/drmmode_display.c b/src/drmmode_display.c index 6ef6a98..cbda8ad 100644 --- a/src/drmmode_display.c +++ b/src/drmmode_display.c @@ -3198,6 +3198,9 @@ static void drmmode_cm_init(int drm_fd, drmmode_ptr drmmode, memset(drmmode->cm_prop_ids, 0, sizeof(drmmode->cm_prop_ids)); drmmode->gamma_lut_size = drmmode->degamma_lut_size = 0; + if (!mode_res->crtcs) + return; + /* AMD hardware has color management support on all pipes. It is * therefore sufficient to only check the first CRTC. */ |