Commit 6f9a3bd9 authored by Oleg Drokin's avatar Oleg Drokin Committed by Greg Kroah-Hartman
Browse files

staging/lustre/lloop: Properly mark userspace pointers in lo/lloop_ioctl 



When casting unsigned long userspace pointer for use with
userspace-accessing functions, need to use __user attribute to make
sparse happy.

Signed-off-by: default avatarOleg Drokin <green@linuxhacker.ru>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent ec2d71d0

drivers/staging/lustre/lustre/llite/lloop.c

+2 −2
Original line number Diff line number Diff line
@@ -636,7 +636,7 @@ static int lo_ioctl(struct block_device *bdev, fmode_t mode, 
		else

			fid_zero(&fid);



		if (copy_to_user((struct lu_fid *)arg, &fid, sizeof(fid)))

		if (copy_to_user((void __user *)arg, &fid, sizeof(fid)))

			err = -EFAULT;

		break;

	}
@@ -708,7 +708,7 @@ static enum llioc_iter lloop_ioctl(struct inode *unused, struct file *file, 
		dev = MKDEV(lloop_major, lo->lo_number);



		/* quit if the used pointer is writable */

		if (put_user((long)old_encode_dev(dev), (long *)arg)) {

		if (put_user((long)old_encode_dev(dev), (long __user *)arg)) {

			err = -EFAULT;

			goto out;

		}