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authorBrian Norris <computersforpeace@gmail.com>2015-02-28 02:23:28 -0800
committerRichard Weinberger <richard@nod.at>2015-03-26 12:07:18 +0100
commit299d0c5b27346a77a0777c993372bf8777d4f2e5 (patch)
treeaa5dff687c0e59fab18acb493c3350559aebb733 /drivers/mtd
parentf16db8071ce18819fbd705ddcc91c6f392fb61f8 (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.c2
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);