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Diffstat (limited to 'drivers')
-rw-r--r--drivers/mtd/mtdchar.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/mtd/mtdchar.c b/drivers/mtd/mtdchar.c
index 4b3156f9b36f..5fc2c4216c03 100644
--- a/drivers/mtd/mtdchar.c
+++ b/drivers/mtd/mtdchar.c
@@ -479,6 +479,7 @@ static int mtd_ioctl(struct inode *inode, struct file *file,
{
struct mtd_oob_buf buf;
struct mtd_oob_ops ops;
+ struct mtd_oob_buf __user *user_buf = argp;
uint32_t retlen;
if(!(file->f_mode & 2))
@@ -522,8 +523,7 @@ static int mtd_ioctl(struct inode *inode, struct file *file,
if (ops.oobretlen > 0xFFFFFFFFU)
ret = -EOVERFLOW;
retlen = ops.oobretlen;
- if (copy_to_user(&((struct mtd_oob_buf *)argp)->length,
- &retlen, sizeof(buf.length)))
+ if (copy_to_user(&user_buf->length, &retlen, sizeof(buf.length)))
ret = -EFAULT;
kfree(ops.oobbuf);