qemu-img: Don't leak errors when outputting JSON
commit911ee36d411ee9b3540855642b53219b6a974992
authorEric Blake <eblake@redhat.com>
Thu, 9 Jun 2016 16:48:33 +0000 (9 10:48 -0600)
committerMarkus Armbruster <armbru@redhat.com>
Wed, 6 Jul 2016 08:52:04 +0000 (6 10:52 +0200)
tree0be8dc9e62ea924b578570dad13ff19ddb98274b
parentc7eb39cbd4304ca55c760c0cb33ce235c457546c
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>
qemu-img.c