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backend/drm: check return value of get_drm_{connector,crtc}_props()

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We already do it for get_drm_plane_props().
This commit is contained in:
Simon Ser 2022-12-15 19:37:40 +01:00
parent 7081687843
commit dc7cc98cf2
1 changed files with 13 additions and 5 deletions
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18
backend/drm/drm.c
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@ -276,7 +276,9 @@ bool init_drm_resources(struct wlr_drm_backend *drm) {
crtc->legacy_gamma_size = drm_crtc->gamma_size; crtc->legacy_gamma_size = drm_crtc->gamma_size;
drmModeFreeCrtc(drm_crtc); drmModeFreeCrtc(drm_crtc);
get_drm_crtc_props(drm->fd, crtc->id, &crtc->props); if (!get_drm_crtc_props(drm->fd, crtc->id, &crtc->props)) {
goto error_crtcs;
}
} }
if (!init_planes(drm)) { if (!init_planes(drm)) {
@ -1242,7 +1244,7 @@ static drmModeModeInfo *connector_get_current_mode(struct wlr_drm_connector *wlr
} }
} }
static void connect_drm_connector(struct wlr_drm_connector *wlr_conn, static bool connect_drm_connector(struct wlr_drm_connector *wlr_conn,
const drmModeConnector *drm_conn) { const drmModeConnector *drm_conn) {
struct wlr_drm_backend *drm = wlr_conn->backend; struct wlr_drm_backend *drm = wlr_conn->backend;
@ -1264,7 +1266,9 @@ static void connect_drm_connector(struct wlr_drm_connector *wlr_conn,
wlr_log(WLR_ERROR, "Unknown subpixel value: %d", (int)drm_conn->subpixel); wlr_log(WLR_ERROR, "Unknown subpixel value: %d", (int)drm_conn->subpixel);
} }
get_drm_connector_props(drm->fd, wlr_conn->id, &wlr_conn->props); if (!get_drm_connector_props(drm->fd, wlr_conn->id, &wlr_conn->props)) {
return false;
}
uint64_t non_desktop; uint64_t non_desktop;
if (get_drm_prop(drm->fd, wlr_conn->id, if (get_drm_prop(drm->fd, wlr_conn->id,
@ -1326,7 +1330,7 @@ static void connect_drm_connector(struct wlr_drm_connector *wlr_conn,
struct wlr_drm_mode *mode = drm_mode_create(&drm_conn->modes[i]); struct wlr_drm_mode *mode = drm_mode_create(&drm_conn->modes[i]);
if (!mode) { if (!mode) {
wlr_log_errno(WLR_ERROR, "Allocation failed"); wlr_log_errno(WLR_ERROR, "Allocation failed");
continue; return false;
} }
// If this is the current mode set on the conn's crtc, // If this is the current mode set on the conn's crtc,
@ -1357,6 +1361,7 @@ static void connect_drm_connector(struct wlr_drm_connector *wlr_conn,
wlr_output_update_enabled(&wlr_conn->output, wlr_conn->crtc != NULL); wlr_output_update_enabled(&wlr_conn->output, wlr_conn->crtc != NULL);
wlr_conn->status = DRM_MODE_CONNECTED; wlr_conn->status = DRM_MODE_CONNECTED;
return true;
} }
static void disconnect_drm_connector(struct wlr_drm_connector *conn); static void disconnect_drm_connector(struct wlr_drm_connector *conn);
@ -1444,7 +1449,10 @@ void scan_drm_connectors(struct wlr_drm_backend *drm,
if (wlr_conn->status == DRM_MODE_DISCONNECTED && if (wlr_conn->status == DRM_MODE_DISCONNECTED &&
drm_conn->connection == DRM_MODE_CONNECTED) { drm_conn->connection == DRM_MODE_CONNECTED) {
wlr_log(WLR_INFO, "'%s' connected", wlr_conn->name); wlr_log(WLR_INFO, "'%s' connected", wlr_conn->name);
connect_drm_connector(wlr_conn, drm_conn); if (!connect_drm_connector(wlr_conn, drm_conn)) {
wlr_drm_conn_log(wlr_conn, WLR_ERROR, "Failed to connect DRM connector");
continue;
}
new_outputs[new_outputs_len++] = wlr_conn; new_outputs[new_outputs_len++] = wlr_conn;
} else if (wlr_conn->status == DRM_MODE_CONNECTED && } else if (wlr_conn->status == DRM_MODE_CONNECTED &&
drm_conn->connection != DRM_MODE_CONNECTED) { drm_conn->connection != DRM_MODE_CONNECTED) {