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SubjectRe: 6/19
> +	/*
> + * chunk_size is a power of two
> + */
> + if (!chunk_size || (chunk_size & (chunk_size - 1))) {
> + ti->error = "dm-stripe: Invalid chunk size";
> + return -EINVAL;
> + }

Is 1 a valid chunksize then? [It certainly is not a power of two. ;)]
If not, you need

if (chink_size < 2 || (chunk_size & (chunk_size - 1))) { ... }

--
Tomas Szepe <szepe@pinerecords.com>
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