Reviewed-by: Alex Deucher <[email protected]> ________________________________ From: amd-gfx <[email protected]> on behalf of Michel Dänzer <[email protected]> Sent: Thursday, September 13, 2018 5:47:29 AM To: [email protected] Subject: [PATCH xf86-video-amdgpu] Bail from drmmode_cm_init if there's no CRTC
From: Michel Dänzer <[email protected]> We would crash due to dereferencing the NULL mode_res->crtc pointer. Bugzilla: https://bugs.freedesktop.org/107913 Signed-off-by: Michel Dänzer <[email protected]> --- src/drmmode_display.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/src/drmmode_display.c b/src/drmmode_display.c index 6ef6a98e2..cbda8ad35 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. */ -- 2.19.0.rc2 _______________________________________________ amd-gfx mailing list [email protected] https://lists.freedesktop.org/mailman/listinfo/amd-gfx
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