From 0252c8e072818906549f88fcc28a68f97f503dc7 Mon Sep 17 00:00:00 2001 From: Dominique Martinet Date: Fri, 18 Aug 2017 18:26:25 +0200 Subject: [PATCH] drm realloc_crtcs: check we found an output This follows-up on #105 that just initialized to 0. Instead, make sure we actually found an output that matches --- backend/drm/drm.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/backend/drm/drm.c b/backend/drm/drm.c index 6e831e41..65ea7f45 100644 --- a/backend/drm/drm.c +++ b/backend/drm/drm.c @@ -405,7 +405,7 @@ static void realloc_crtcs(struct wlr_drm_backend *backend, memset(possible_crtc, 0, sizeof(possible_crtc)); - size_t index = 0; + ssize_t index = -1; for (size_t i = 0; i < backend->outputs->length; ++i) { struct wlr_drm_output *o = backend->outputs->items[i]; if (o == output) { @@ -419,6 +419,7 @@ static void realloc_crtcs(struct wlr_drm_backend *backend, possible_crtc[i] = o->possible_crtc; crtc[o->crtc - backend->crtcs] = i; } + assert(index != -1); possible_crtc[index] = output->possible_crtc; match_obj(backend->outputs->length, possible_crtc,