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mtd: onenand: add missing check

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Coverity has reported that inside the function "onenand_block_by_block_erase()"
in onenand_base.c, we should add a check to prevent the incrementing of
possible NULL value for "region"

Signed-off-by: Maxin B. John <john.maxin@nokia.com>
Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
This commit is contained in:
john.maxin@nokia.com 2011-05-06 09:17:21 +00:00 committed by David Woodhouse
parent 26d9be1148
commit eff3bba61f
1 changed files with 1 additions and 1 deletions
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drivers/mtd/onenand/onenand_base.c
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@ -2453,7 +2453,7 @@ static int onenand_block_by_block_erase(struct mtd_info *mtd,
len -= block_size;
addr += block_size;
if (addr == region_end) {
if (region && addr == region_end) {
if (!len)
break;
region++;