[Qemu-block] [PATCH v2 13/24] block: More detailed syntax error reporting for JSON filenames

[Markus Armbruster]

Signed-off-by: Markus Armbruster <address@hidden>
Reviewed-by: Kevin Wolf <address@hidden>
---
 block.c | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/block.c b/block.c
index af1014f..ca15e93 100644
--- a/block.c
+++ b/block.c
@@ -1200,9 +1200,14 @@ static QDict *parse_json_filename(const char *filename, 
Error **errp)
     ret = strstart(filename, "json:", &filename);
     assert(ret);
 
-    options_obj = qobject_from_json(filename, NULL);
+    options_obj = qobject_from_json(filename, errp);
     if (!options_obj) {
-        error_setg(errp, "Could not parse the JSON options");
+        /* Work around qobject_from_json() lossage TODO fix that */
+        if (errp && !*errp) {
+            error_setg(errp, "Could not parse the JSON options");
+            return NULL;
+        }
+        error_prepend(errp, "Could not parse the JSON options: ");
         return NULL;
     }
 
-- 
2.7.4