From: Oleg Drokin <green@xxxxxxxxxxxxxx>
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 <green@xxxxxxxxxxxxxx>
---
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 420d391..e6f8e3d 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;
}
--
2.1.0
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