diff options
author | Roel Kluin <[email protected]> | 2009-09-18 12:51:50 -0700 |
---|---|---|
committer | David Woodhouse <[email protected]> | 2009-09-19 11:23:26 -0700 |
commit | a57ca0466af5da83e379d636b8c01fd53b41e2c6 (patch) | |
tree | c5f5d96fd9729aafe24aff8e6974bd6eea78a250 | |
parent | ebf2e93036907fe2a7ddab942aa63d35f97f3b2b (diff) |
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 <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: David Woodhouse <[email protected]>
-rw-r--r-- | drivers/mtd/mtdpart.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/mtd/mtdpart.c b/drivers/mtd/mtdpart.c index 349fcbe5cc0f..a83cfa1ad122 100644 --- a/drivers/mtd/mtdpart.c +++ b/drivers/mtd/mtdpart.c @@ -453,7 +453,8 @@ static struct mtd_part *add_one_partition(struct mtd_info *master, for (i = 0; i < max && regions[i].offset <= slave->offset; i++) ; /* The loop searched for the region _behind_ the first one */ - i--; + if (i > 0) + i--; /* Pick biggest erasesize */ for (; i < max && regions[i].offset < end; i++) { |