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| author | Roel Kluin <roel.kluin@gmail.com> | 2009-11-03 22:49:18 +0300 |
|---|---|---|
| committer | David Woodhouse <David.Woodhouse@intel.com> | 2009-11-30 12:50:46 +0300 |
| commit | 35016dd7e92cf0eb5ae2e811445dd52320c348d0 (patch) | |
| tree | b836cd329ed1fae21e323f9eee9c15c012423a62 /drivers/mtd/mtdcore.c | |
| parent | 61c3506c2cabe58bcdfe438d1e57b62994db1616 (diff) | |
| download | linux-35016dd7e92cf0eb5ae2e811445dd52320c348d0.tar.xz | |
mtd: ensure index is positive
The index is signed, make sure it is not negative
when we read the array element.
Signed-off-by: Roel Kluin <roel.kluin@gmail.com>
Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
Diffstat (limited to 'drivers/mtd/mtdcore.c')
| -rw-r--r-- | drivers/mtd/mtdcore.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/mtd/mtdcore.c b/drivers/mtd/mtdcore.c index 467a4f177bfb..c356c0a30c3e 100644 --- a/drivers/mtd/mtdcore.c +++ b/drivers/mtd/mtdcore.c @@ -447,7 +447,7 @@ struct mtd_info *get_mtd_device(struct mtd_info *mtd, int num) for (i=0; i< MAX_MTD_DEVICES; i++) if (mtd_table[i] == mtd) ret = mtd_table[i]; - } else if (num < MAX_MTD_DEVICES) { + } else if (num >= 0 && num < MAX_MTD_DEVICES) { ret = mtd_table[num]; if (mtd && mtd != ret) ret = NULL; |