diff options
Diffstat (limited to 'qemu-img.c')
| -rw-r--r-- | qemu-img.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/qemu-img.c b/qemu-img.c index ec0e2fabe5..7c4fc60312 100644 --- a/qemu-img.c +++ b/qemu-img.c @@ -3767,6 +3767,9 @@ static int img_rebase(int argc, char **argv) if (ret == -ENOSPC) { error_report("Could not change the backing file to '%s': No " "space left in the file header", out_baseimg); + } else if (ret == -EINVAL && out_baseimg && !out_basefmt) { + error_report("Could not change the backing file to '%s': backing " + "format must be specified", out_baseimg); } else if (ret < 0) { error_report("Could not change the backing file to '%s': %s", out_baseimg, strerror(-ret)); |