[MTD] Fix length comparison in MEMREADOOB

The ops.len member is not initialized, because it is unused for this
operation. The length check needs to use ops.ooblen instead

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: David Woodhouse <dwmw2@infradead.org>

1 files changed, 1 insertions, 1 deletions

diff --git a/drivers/mtd/mtdchar.c b/drivers/mtd/mtdchar.c
index 1592eac64e57..8c86b802f212 100644
--- a/drivers/mtd/mtdchar.c
+++ b/drivers/mtd/mtdchar.c
@@ -553,7 +553,7 @@ static int mtd_ioctl(struct inode *inode, struct file *file,
                 ops.datbuf = NULL;
                 ops.mode = MTD_OOB_PLACE;
 
-                if (ops.ooboffs && ops.len > (mtd->oobsize - ops.ooboffs))
+                if (ops.ooboffs && ops.ooblen > (mtd->oobsize - ops.ooboffs))
                         return -EINVAL;
 
                 ops.oobbuf = kmalloc(buf.length, GFP_KERNEL);