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| author | Andrey Shinkevich | 2019-02-08 16:06:06 +0100 |
|---|---|---|
| committer | Eric Blake | 2019-02-11 21:35:43 +0100 |
| commit | 1bf6e9ca9234e1dbcaa18baa06eca9d55cc2dbbb (patch) | |
| tree | 08f08b47a4cb5f49ae147eaa7d1f2e7d4347d44b /qemu-io-cmds.c | |
| parent | nbd/server: Kill pointless shadowed variable (diff) | |
| download | qemu-1bf6e9ca9234e1dbcaa18baa06eca9d55cc2dbbb.tar.gz qemu-1bf6e9ca9234e1dbcaa18baa06eca9d55cc2dbbb.tar.xz qemu-1bf6e9ca9234e1dbcaa18baa06eca9d55cc2dbbb.zip | |
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.c | 7 |
1 files changed, 6 insertions, 1 deletions
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); |