[PATCH 2/2] xfs: compat_ioctl: use compat_ptr()

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For 31-bit s390 user space, we have to pass pointer arguments through
compat_ptr() in the compat_ioctl handler.

Signed-off-by: Arnd Bergmann <arnd@xxxxxxxx>
Signed-off-by: Christoph Hellwig <hch@xxxxxx>
---
 fs/xfs/xfs_ioctl32.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/fs/xfs/xfs_ioctl32.c b/fs/xfs/xfs_ioctl32.c
index bae08ef92ac3..7bd7534f5051 100644
--- a/fs/xfs/xfs_ioctl32.c
+++ b/fs/xfs/xfs_ioctl32.c
@@ -547,7 +547,7 @@ xfs_file_compat_ioctl(
 	struct inode		*inode = file_inode(filp);
 	struct xfs_inode	*ip = XFS_I(inode);
 	struct xfs_mount	*mp = ip->i_mount;
-	void			__user *arg = (void __user *)p;
+	void			__user *arg = compat_ptr(p);
 	int			error;
 
 	trace_xfs_file_compat_ioctl(ip);
@@ -655,6 +655,6 @@ xfs_file_compat_ioctl(
 		return xfs_compat_fssetdm_by_handle(filp, arg);
 	default:
 		/* try the native version */
-		return xfs_file_ioctl(filp, cmd, p);
+		return xfs_file_ioctl(filp, cmd, (unsigned long)arg);
 	}
 }
-- 
2.20.1




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