#include <linux/dcache.h>
#include "internal.h"

unsigned name_to_int(const struct qstr *qstr)
{
        const char *name = qstr->name;
        int len = qstr->len;
        unsigned n = 0;

        if (len > 1 && *name == '0')
                goto out;
        do {
                unsigned c = *name++ - '0';
                if (c > 9)
                        goto out;
                if (n >= (~0U-9)/10)
                        goto out;
                n *= 10;
                n += c;
        } while (--len > 0);
        return n;
out:
        return ~0U;
}