From 1bf6e9ca9234e1dbcaa18baa06eca9d55cc2dbbb Mon Sep 17 00:00:00 2001 From: Andrey Shinkevich Date: Fri, 8 Feb 2019 18:06:06 +0300 Subject: bdrv_query_image_info Error parameter added Inform a user in case qcow2_get_specific_info fails to obtain QCOW2 image specific information. This patch is preliminary to the one "qcow2: Add list of bitmaps to ImageInfoSpecificQCow2". Signed-off-by: Andrey Shinkevich Reviewed-by: Eric Blake Reviewed-by: Vladimir Sementsov-Ogievskiy Reviewed-by: Kevin Wolf Message-Id: <1549638368-530182-2-git-send-email-andrey.shinkevich@virtuozzo.com> Signed-off-by: Eric Blake --- qemu-io-cmds.c | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-) (limited to 'qemu-io-cmds.c') diff --git a/qemu-io-cmds.c b/qemu-io-cmds.c index ee8f56e46a..b9f189f09b 100644 --- a/qemu-io-cmds.c +++ b/qemu-io-cmds.c @@ -1661,6 +1661,7 @@ static int info_f(BlockBackend *blk, int argc, char **argv) BlockDriverState *bs = blk_bs(blk); BlockDriverInfo bdi; ImageInfoSpecific *spec_info; + Error *local_err = NULL; char s1[64], s2[64]; int ret; @@ -1682,7 +1683,11 @@ static int info_f(BlockBackend *blk, int argc, char **argv) printf("cluster size: %s\n", s1); printf("vm state offset: %s\n", s2); - spec_info = bdrv_get_specific_info(bs); + spec_info = bdrv_get_specific_info(bs, &local_err); + if (local_err) { + error_report_err(local_err); + return -EIO; + } if (spec_info) { printf("Format specific information:\n"); bdrv_image_info_specific_dump(fprintf, stdout, spec_info); -- cgit v1.2.3-59-g8ed1b