Check the number of children of GVariant

If there is no external storage mounted, 'GetDeviceList' will return an empty array.
So, added exception handling for this case.

Change-Id: Ia34e8d5ce97629ab35cceb31fd064ff8b955b313
Signed-off-by: Minje Ahn <minje.ahn@samsung.com>

diff --git a/src/common/media-common-system.c b/src/common/media-common-system.c
index fa0dc4e..b3a5e9f 100644 (file)
--- a/src/common/media-common-system.c
+++ b/src/common/media-common-system.c
@@ -213,6 +213,12 @@ static int __ms_gdbus_method_sync(const char *dest,
        g_variant_iter_init(&iter, reply_var);
 
        while ((child = g_variant_iter_next_value(&iter))) {
+               if (g_variant_n_children(child) == 0) {
+                       MS_DBG_INFO("There is no external storage mounted..");
+                       g_variant_unref(child);
+                       break;
+               }
+
                g_variant_get_child(child, 9, "i", &state);
                if (state == 0) {
                        g_variant_unref(child);