From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:58359) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1fYKUW-0005CH-Gq for qemu-devel@nongnu.org; Wed, 27 Jun 2018 20:08:53 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1fYKUV-0005GY-LI for qemu-devel@nongnu.org; Wed, 27 Jun 2018 20:08:52 -0400 From: Max Reitz Date: Thu, 28 Jun 2018 02:07:44 +0200 Message-Id: <20180628000745.4477-31-mreitz@redhat.com> In-Reply-To: <20180628000745.4477-1-mreitz@redhat.com> References: <20180628000745.4477-1-mreitz@redhat.com> Subject: [Qemu-devel] [PATCH v9 30/31] block: BDS options may lack the "driver" option List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: qemu-block@nongnu.org Cc: qemu-devel@nongnu.org, Max Reitz , Kevin Wolf When BDSs are created by qemu itself (e.g. as filters in block jobs), they may not have a "driver" option in their options QDict. When generating a json:{} filename, however, it must always be present. Signed-off-by: Max Reitz --- block.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/block.c b/block.c index 10f8f0efb8..6d460e71bb 100644 --- a/block.c +++ b/block.c @@ -5242,6 +5242,12 @@ static bool append_strong_runtime_options(QDict *d, BlockDriverState *bs) } } + if (!qdict_haskey(d, "driver")) { + /* Drivers created with bdrv_new_open_driver() may not have a + * @driver option. Add it here. */ + qdict_put_str(d, "driver", bs->drv->format_name); + } + return found_any; } -- 2.17.1