diff options
| author | Brian Norris <computersforpeace@gmail.com> | 2015-02-28 02:23:28 -0800 |
|---|---|---|
| committer | Richard Weinberger <richard@nod.at> | 2015-03-26 12:07:18 +0100 |
| commit | 299d0c5b27346a77a0777c993372bf8777d4f2e5 (patch) | |
| tree | aa5dff687c0e59fab18acb493c3350559aebb733 /drivers/mtd | |
| parent | f16db8071ce18819fbd705ddcc91c6f392fb61f8 (diff) | |
UBI: fix check for "too many bytes"
The comparison from the previous line seems to have been erroneously
(partially) copied-and-pasted onto the next. The second line should be
checking req.bytes, not req.lnum.
Coverity CID #139400
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Brian Norris <computersforpeace@gmail.com>
[rw: Fixed comparison]
Signed-off-by: Richard Weinberger <richard@nod.at>
Diffstat (limited to 'drivers/mtd')
| -rw-r--r-- | drivers/mtd/ubi/cdev.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/mtd/ubi/cdev.c b/drivers/mtd/ubi/cdev.c index d647e504f9b1..d16fccf79179 100644 --- a/drivers/mtd/ubi/cdev.c +++ b/drivers/mtd/ubi/cdev.c @@ -455,7 +455,7 @@ static long vol_cdev_ioctl(struct file *file, unsigned int cmd, /* Validate the request */ err = -EINVAL; if (req.lnum < 0 || req.lnum >= vol->reserved_pebs || - req.bytes < 0 || req.lnum >= vol->usable_leb_size) + req.bytes < 0 || req.bytes > vol->usable_leb_size) break; err = get_exclusive(desc); |