UBI: add sanity check
Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
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1 changed files with 6 additions and 1 deletions
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@ -286,9 +286,14 @@ static int compare_lebs(struct ubi_device *ubi, const struct ubi_scan_leb *seb,
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* FIXME: but this is anyway obsolete and will be removed at
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* some point.
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*/
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dbg_bld("using old crappy leb_ver stuff");
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if (v1 == v2) {
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ubi_err("PEB %d and PEB %d have the same version %lld",
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seb->pnum, pnum, v1);
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return -EINVAL;
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}
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abs = v1 - v2;
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if (abs < 0)
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abs = -abs;
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