[PATCH 15/15] core: Get a copy of failed keys

["Juan A. Suarez Romero" <jasuarez igalia com>]

When source invokes callback, the list of failed keys must be copied to keep
after returning, as source will free that list.

In order words, that list is constant.
---
 src/grl-metadata-source.c |    3 ++-
 1 files changed, 2 insertions(+), 1 deletions(-)

diff --git a/src/grl-metadata-source.c b/src/grl-metadata-source.c
index 54b28f5..8afa38b 100644
--- a/src/grl-metadata-source.c
+++ b/src/grl-metadata-source.c
@@ -313,7 +313,8 @@ set_metadata_ctl_cb (GrlMetadataSource *source,
   smctlcb = (struct SetMetadataCtlCb *) user_data;
 
   if (failed_keys) {
-    smctlcb->failed_keys = g_list_concat (smctlcb->failed_keys, failed_keys);
+    smctlcb->failed_keys = g_list_concat (smctlcb->failed_keys,
+                                          g_list_copy (failed_keys));
   }
 
   smctlcb->pending--;
-- 
1.7.0.4