From 6f9a3bd93f48127164e1599f0e1f9d4e16f9cb89 Mon Sep 17 00:00:00 2001 From: Oleg Drokin Date: Sun, 3 Jan 2016 12:05:52 -0500 Subject: [PATCH] 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: Oleg Drokin Signed-off-by: Greg Kroah-Hartman --- drivers/staging/lustre/lustre/llite/lloop.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/staging/lustre/lustre/llite/lloop.c b/drivers/staging/lustre/lustre/llite/lloop.c index 871924b..69c41af 100644 --- a/drivers/staging/lustre/lustre/llite/lloop.c +++ b/drivers/staging/lustre/lustre/llite/lloop.c @@ -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; } -- 2.7.4