[RFC next 1/2] dm: lvm: Initial Logical Volume Management support

[Tobias Waldekranz]

On fre, aug 28, 2026 at 14:19, "Sascha Hauer" <s.hauer at pengutronix.de> wrote:
> On 2026-08-24 18:31, Tobias Waldekranz wrote:
>> +
>> +const lvm_tok_t *lvm_md_vgsect(const struct lvm_md *md, const lvm_tok_t **keyp)
>> +{
>> +	const lvm_tok_t *key, *val;
>> +
>> +	lvm_md_for_each(md, key, &md->tokens[0]) {
>> +		val = key + 1;
>
> Should you check against num_tokens here?

Good catch, yes I should!

>
>> +		if (val->type == LVM_TOK_SECTION) {
>> +			if (keyp)
>> +				*keyp = key;
>> +			return val;
>> +		}
>> +	}
>> +
>> +	return NULL;
>> +}
>> +
>
>> +const lvm_tok_t *lvm_md_find(const struct lvm_md *md, const lvm_tok_t *sec,
>> +			     const char *key)
>> +{
>> +	const lvm_tok_t *k;
>> +
>> +	if (sec->type != LVM_TOK_SECTION)
>> +		return NULL;
>> +
>> +	lvm_md_for_each(md, k, sec) {
>> +		if (lvm_md_tok_eq(md, k, key))
>> +			return k + 1;
>
> Here as well. Fuzzing might indeed be useful ;)

Indeed :) Thanks for the thorough review!