mtd: Fix pointer handling in compat ioctls to use compat_ptr()
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
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				| @ -839,7 +839,7 @@ static long mtd_compat_ioctl(struct file *file, unsigned int cmd, | ||||
| 	struct inode *inode = file->f_path.dentry->d_inode; | ||||
| 	struct mtd_file_info *mfi = file->private_data; | ||||
| 	struct mtd_info *mtd = mfi->mtd; | ||||
| 	void __user *argp = (void __user *)arg; | ||||
| 	void __user *argp = compat_ptr(arg); | ||||
| 	int ret = 0; | ||||
| 
 | ||||
| 	lock_kernel(); | ||||
| @ -874,7 +874,7 @@ static long mtd_compat_ioctl(struct file *file, unsigned int cmd, | ||||
| 		break; | ||||
| 	} | ||||
| 	default: | ||||
| 		ret = mtd_ioctl(inode, file, cmd, arg); | ||||
| 		ret = mtd_ioctl(inode, file, cmd, (unsigned long)argp); | ||||
| 	} | ||||
| 
 | ||||
| 	unlock_kernel(); | ||||
|  | ||||
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