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UBI: fix check for "too many bytes"

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commit 299d0c5b27346a77a0777c993372bf8777d4f2e5 upstream.

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

Signed-off-by: Brian Norris <computersforpeace@gmail.com>
[rw: Fixed comparison]
Signed-off-by: Richard Weinberger <richard@nod.at>
Signed-off-by: Zefan Li <lizefan@huawei.com>
This commit is contained in:
Brian Norris 2015-02-28 02:23:28 -08:00 committed by Zefan Li
parent 0513688a95
commit 89873945d5
1 changed files with 1 additions and 1 deletions
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2
drivers/mtd/ubi/cdev.c
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@ -475,7 +475,7 @@ 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;
if (req.dtype != UBI_LONGTERM && req.dtype != UBI_SHORTTERM &&
req.dtype != UBI_UNKNOWN)