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