mtd: mtdpart: prevent a read from regions[-1]
If the erase region was found in the first iteration we read from regions[-1] Signed-off-by: Roel Kluin <roel.kluin@gmail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
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@ -453,7 +453,8 @@ static struct mtd_part *add_one_partition(struct mtd_info *master,
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for (i = 0; i < max && regions[i].offset <= slave->offset; i++)
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for (i = 0; i < max && regions[i].offset <= slave->offset; i++)
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;
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;
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/* The loop searched for the region _behind_ the first one */
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/* The loop searched for the region _behind_ the first one */
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i--;
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if (i > 0)
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i--;
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/* Pick biggest erasesize */
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/* Pick biggest erasesize */
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for (; i < max && regions[i].offset < end; i++) {
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for (; i < max && regions[i].offset < end; i++) {
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