diff options
Diffstat (limited to 'block')
| -rw-r--r-- | block/vhdx.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/block/vhdx.c b/block/vhdx.c index d2c54b7891..6a5e48eb69 100644 --- a/block/vhdx.c +++ b/block/vhdx.c @@ -1877,6 +1877,10 @@ static int coroutine_fn vhdx_co_create(BlockdevCreateOptions *opts, error_setg_errno(errp, EINVAL, "Block size must be a multiple of 1 MB"); return -EINVAL; } + if (!is_power_of_2(block_size)) { + error_setg(errp, "Block size must be a power of two"); + return -EINVAL; + } if (block_size > VHDX_BLOCK_SIZE_MAX) { error_setg_errno(errp, EINVAL, "Block size must not exceed %d", VHDX_BLOCK_SIZE_MAX); |