NFSv3: Don't open code stream position calculation in decode_getacl3resok

Use the new xdr_stream_pos() helper instead.

Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>

diff --git a/fs/nfs/nfs3xdr.c b/fs/nfs/nfs3xdr.c
index d64a00ff5a162037045882d82afd00fef290cf2f..5013bdd85ab935eab620f3822de32bc473ccaa06 100644 (file)
--- a/fs/nfs/nfs3xdr.c
+++ b/fs/nfs/nfs3xdr.c
@@ -2341,7 +2341,7 @@ static inline int decode_getacl3resok(struct xdr_stream *xdr,
        if (result->mask & ~(NFS_ACL|NFS_ACLCNT|NFS_DFACL|NFS_DFACLCNT))
                goto out;
 
-       hdrlen = (u8 *)xdr->p - (u8 *)xdr->iov->iov_base;
+       hdrlen = xdr_stream_pos(xdr);
 
        acl = NULL;
        if (result->mask & NFS_ACL)