From 42e485dcc306f386aa8d3b8907c77ea3316360d5 Mon Sep 17 00:00:00 2001 From: Simon Ser Date: Mon, 11 May 2020 08:34:46 +0200 Subject: [PATCH] backend/drm: fix segfault in drm_crtc_page_flip When no cursor plane is available, drm_crtc_page_flip would segfault. --- backend/drm/drm.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/backend/drm/drm.c b/backend/drm/drm.c index 743cc291..d0f7a69e 100644 --- a/backend/drm/drm.c +++ b/backend/drm/drm.c @@ -359,7 +359,9 @@ static bool drm_crtc_page_flip(struct wlr_drm_connector *conn) { conn->pageflip_pending = true; drm_fb_move(&crtc->primary->queued_fb, &crtc->primary->pending_fb); - drm_fb_move(&crtc->cursor->queued_fb, &crtc->cursor->pending_fb); + if (crtc->cursor != NULL) { + drm_fb_move(&crtc->cursor->queued_fb, &crtc->cursor->pending_fb); + } wlr_output_update_enabled(&conn->output, true); return true; }