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authorEric Blake <eblake@redhat.com>2016-06-09 10:48:33 -0600
committerMarkus Armbruster <armbru@redhat.com>2016-07-06 10:52:04 +0200
commit911ee36d411ee9b3540855642b53219b6a974992 (patch)
tree0be8dc9e62ea924b578570dad13ff19ddb98274b
parentc7eb39cbd4304ca55c760c0cb33ce235c457546c (diff)
downloadfocaccia-qemu-911ee36d411ee9b3540855642b53219b6a974992.tar.gz
focaccia-qemu-911ee36d411ee9b3540855642b53219b6a974992.zip
qemu-img: Don't leak errors when outputting JSON
If our JSON output ever encounters an error, we would just silently
leak the error object.  Instead, assert that our usage won't fail.

Signed-off-by: Eric Blake <eblake@redhat.com>
Message-Id: <1465490926-28625-3-git-send-email-eblake@redhat.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Markus Armbruster <armbru@redhat.com>
-rw-r--r--qemu-img.c10
1 files changed, 4 insertions, 6 deletions
diff --git a/qemu-img.c b/qemu-img.c
index 3322a1e5fc..debd7f1383 100644
--- a/qemu-img.c
+++ b/qemu-img.c
@@ -490,12 +490,11 @@ fail:
 
 static void dump_json_image_check(ImageCheck *check, bool quiet)
 {
-    Error *local_err = NULL;
     QString *str;
     QmpOutputVisitor *ov = qmp_output_visitor_new();
     QObject *obj;
     visit_type_ImageCheck(qmp_output_get_visitor(ov), NULL, &check,
-                          &local_err);
+                          &error_abort);
     obj = qmp_output_get_qobject(ov);
     str = qobject_to_json_pretty(obj);
     assert(str != NULL);
@@ -2181,12 +2180,11 @@ static void dump_snapshots(BlockDriverState *bs)
 
 static void dump_json_image_info_list(ImageInfoList *list)
 {
-    Error *local_err = NULL;
     QString *str;
     QmpOutputVisitor *ov = qmp_output_visitor_new();
     QObject *obj;
     visit_type_ImageInfoList(qmp_output_get_visitor(ov), NULL, &list,
-                             &local_err);
+                             &error_abort);
     obj = qmp_output_get_qobject(ov);
     str = qobject_to_json_pretty(obj);
     assert(str != NULL);
@@ -2198,11 +2196,11 @@ static void dump_json_image_info_list(ImageInfoList *list)
 
 static void dump_json_image_info(ImageInfo *info)
 {
-    Error *local_err = NULL;
     QString *str;
     QmpOutputVisitor *ov = qmp_output_visitor_new();
     QObject *obj;
-    visit_type_ImageInfo(qmp_output_get_visitor(ov), NULL, &info, &local_err);
+    visit_type_ImageInfo(qmp_output_get_visitor(ov), NULL, &info,
+                         &error_abort);
     obj = qmp_output_get_qobject(ov);
     str = qobject_to_json_pretty(obj);
     assert(str != NULL);