diff options
| -rw-r--r-- | qemu-img.c | 3 | ||||
| -rw-r--r-- | tests/qemu-iotests/114.out | 2 |
2 files changed, 4 insertions, 1 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)); diff --git a/tests/qemu-iotests/114.out b/tests/qemu-iotests/114.out index 6d638da266..f51dd9d20a 100644 --- a/tests/qemu-iotests/114.out +++ b/tests/qemu-iotests/114.out @@ -14,7 +14,7 @@ qemu-io: can't open device TEST_DIR/t.qcow2: Could not open backing file: Unknow no file open, try 'help open' read 4096/4096 bytes at offset 0 4 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec) -qemu-img: Could not change the backing file to 'TEST_DIR/t.qcow2.base': Invalid argument +qemu-img: Could not change the backing file to 'TEST_DIR/t.qcow2.base': backing format must be specified read 4096/4096 bytes at offset 0 4 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec) *** done |