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-rw-r--r--src/gpm-brightness.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/src/gpm-brightness.c b/src/gpm-brightness.c
index 8600474..686f676 100644
--- a/src/gpm-brightness.c
+++ b/src/gpm-brightness.c
@@ -846,7 +846,12 @@ gpm_brightness_update_cache (GpmBrightness *brightness)
}
root = RootWindow (brightness->priv->dpy, screen);
+
+ gdk_error_trap_push ();
resource = XRRGetScreenResourcesCurrent (brightness->priv->dpy, root);
+ if (gdk_error_trap_pop () || resource == NULL) {
+ egg_warning ("failed to XRRGetScreenResourcesCurrent");
+ }
if (resource != NULL) {
egg_debug ("adding resource %p", resource);