* [patch 11/13] mtd: prevent a read from regions[-1]
@ 2009-09-18 19:51 akpm
0 siblings, 0 replies; only message in thread
From: akpm @ 2009-09-18 19:51 UTC (permalink / raw)
To: dwmw2; +Cc: roel.kluin, akpm, linux-mtd
From: Roel Kluin <roel.kluin@gmail.com>
If the erase region was found in the first iteration we read from
regions[-1]
Signed-off-by: Roel Kluin <roel.kluin@gmail.com>
Cc: David Woodhouse <dwmw2@infradead.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---
drivers/mtd/mtdpart.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff -puN drivers/mtd/mtdpart.c~mtd-prevent-a-read-from-regions drivers/mtd/mtdpart.c
--- a/drivers/mtd/mtdpart.c~mtd-prevent-a-read-from-regions
+++ a/drivers/mtd/mtdpart.c
@@ -453,7 +453,8 @@ static struct mtd_part *add_one_partitio
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++) {
_
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2009-09-18 19:51 [patch 11/13] mtd: prevent a read from regions[-1] akpm
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