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Diffstat (limited to 'backend')
-rw-r--r--backend/drm/drm.c15
1 files changed, 15 insertions, 0 deletions
diff --git a/backend/drm/drm.c b/backend/drm/drm.c
index 0d32605a..47bd4e3a 100644
--- a/backend/drm/drm.c
+++ b/backend/drm/drm.c
@@ -193,6 +193,9 @@ static void wlr_drm_connector_swap_buffers(struct wlr_output *output) {
struct wlr_drm_backend *drm = (struct wlr_drm_backend *)output->backend;
struct wlr_drm_crtc *crtc = conn->crtc;
+ if (!crtc) {
+ return;
+ }
struct wlr_drm_plane *plane = crtc->primary;
struct gbm_bo *bo = wlr_drm_surface_swap_buffers(&plane->surf);
@@ -230,6 +233,9 @@ void wlr_drm_connector_start_renderer(struct wlr_drm_connector *conn) {
struct wlr_drm_backend *drm = (struct wlr_drm_backend *)conn->output.backend;
struct wlr_drm_crtc *crtc = conn->crtc;
+ if (!crtc) {
+ return;
+ }
struct wlr_drm_plane *plane = crtc->primary;
struct gbm_bo *bo = wlr_drm_surface_get_front(
@@ -450,6 +456,9 @@ static bool wlr_drm_connector_set_mode(struct wlr_output *output,
}
struct wlr_drm_crtc *crtc = conn->crtc;
+ if (!crtc) {
+ return false;
+ }
wlr_log(L_DEBUG, "%s: crtc=%ju ovr=%jd pri=%jd cur=%jd", conn->output.name,
crtc - drm->crtcs,
crtc->overlay ? crtc->overlay - drm->overlay_planes : -1,
@@ -501,6 +510,9 @@ static bool wlr_drm_connector_set_cursor(struct wlr_output *output,
struct wlr_drm_renderer *renderer = &drm->renderer;
struct wlr_drm_crtc *crtc = conn->crtc;
+ if (!crtc) {
+ return false;
+ }
struct wlr_drm_plane *plane = crtc->cursor;
// We don't have a real cursor plane, so we make a fake one
@@ -622,6 +634,9 @@ static bool wlr_drm_connector_move_cursor(struct wlr_output *output,
int x, int y) {
struct wlr_drm_connector *conn = (struct wlr_drm_connector *)output;
struct wlr_drm_backend *drm = (struct wlr_drm_backend *)output->backend;
+ if (!conn || !conn->crtc) {
+ return false;
+ }
struct wlr_drm_plane *plane = conn->crtc->cursor;
struct wlr_box box;