mirror of
https://mirrors.bfsu.edu.cn/git/linux.git
synced 2024-12-01 08:04:22 +08:00
[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>
This commit is contained in:
parent
1cf9827b68
commit
408b483d9c
@ -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);
|
||||
|
Loading…
Reference in New Issue
Block a user