1#include <linux/dcache.h>
 2#include "internal.h"
 3
 4unsigned name_to_int(const struct qstr *qstr)
 5{
 6	const char *name = qstr->name;
 7	int len = qstr->len;
 8	unsigned n = 0;
 9
10	if (len > 1 && *name == '0')
11		goto out;
12	do {
13		unsigned c = *name++ - '0';
14		if (c > 9)
15			goto out;
16		if (n >= (~0U-9)/10)
17			goto out;
18		n *= 10;
19		n += c;
20	} while (--len > 0);
21	return n;
22out:
23	return ~0U;
24}