Fix length of buffer copied in __nfs4_get_acl_uncached

_copy_from_pages() used to copy data from the temporary buffer to the user passed buffer is passed the wrong size parameter when copying data. res.acl_len contains both the bitmap and acl lenghts while acl_len contains the acl length after adjusting for the bitmap size.

---
 fs/nfs/nfs4proc.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

index caf92d0..68a55ed 100644
@@ -3605,7 +3605,7 @@ static ssize_t __nfs4_get_acl_uncached(struct inode *inode, void *buf, size_t bu
 		if (acl_len > buflen)
 			goto out_free;
 		_copy_from_pages(buf, pages, res.acl_data_offset,
-				res.acl_len);
+				acl_len);
 	}
 	ret = acl_len;
 out_free:

1.7.7.6