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-rw-r--r--backend/drm/drm.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/backend/drm/drm.c b/backend/drm/drm.c
index b9ab7f82..19dad63d 100644
--- a/backend/drm/drm.c
+++ b/backend/drm/drm.c
@@ -156,6 +156,11 @@ bool init_drm_resources(struct wlr_drm_backend *drm) {
wlr_log(WLR_INFO, "Found %d DRM CRTCs", res->count_crtcs);
drm->num_crtcs = res->count_crtcs;
+ if (drm->num_crtcs == 0) {
+ drmModeFreeResources(res);
+ return true;
+ }
+
drm->crtcs = calloc(drm->num_crtcs, sizeof(drm->crtcs[0]));
if (!drm->crtcs) {
wlr_log_errno(WLR_ERROR, "Allocation failed");