OSD: fix segfault when no app_id is set

diff --git a/src/osd.c b/src/osd.c
index 8b3ea94c6d7929653c643cf5bc5168cf3e07106a..4b987ef2433ef7ff3b3f62024cad7ede4d989261 100644 (file)
--- a/src/osd.c
+++ b/src/osd.c
@@ -44,6 +44,9 @@ static const char *
 get_formatted_app_id(struct view *view)
 {
        char *s = (char *)view_get_string_prop(view, "app_id");
+       if (s == NULL) {
+               return NULL;
+       }
        /* remove the first two nodes of 'org.' strings */
        if (!strncmp(s, "org.", 4)) {
                char *p = s + 4;