drm realloc_crtcs: check we found an output
This follows-up on that just initialized to 0.
Instead, make sure we actually found an output that matches
@@ -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,
