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authorAndrey Shinkevich <andrey.shinkevich@virtuozzo.com>2019-02-08 18:06:06 +0300
committerEric Blake <eblake@redhat.com>2019-02-11 14:35:43 -0600
commit1bf6e9ca9234e1dbcaa18baa06eca9d55cc2dbbb (patch)
tree08f08b47a4cb5f49ae147eaa7d1f2e7d4347d44b /qemu-io-cmds.c
parent269ee27e99cfbff983a9ab067ae22f6182f11fe2 (diff)
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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 <andrey.shinkevich@virtuozzo.com> Reviewed-by: Eric Blake <eblake@redhat.com> Reviewed-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com> Reviewed-by: Kevin Wolf <kwolf@redhat.com> Message-Id: <1549638368-530182-2-git-send-email-andrey.shinkevich@virtuozzo.com> Signed-off-by: Eric Blake <eblake@redhat.com>
Diffstat (limited to 'qemu-io-cmds.c')
-rw-r--r--qemu-io-cmds.c7
1 files changed, 6 insertions, 1 deletions
diff --git a/qemu-io-cmds.c b/qemu-io-cmds.c
index ee8f56e..b9f189f 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);