[PATCH v1 20/61] NFSD: Replace READ* macros in nfsd4_decode_open_confirm()

[Chuck Lever <chuck.lever@xxxxxxxxxx>]

Signed-off-by: Chuck Lever <chuck.lever@xxxxxxxxxx>
---
 fs/nfsd/nfs4xdr.c |   14 +++++++++-----
 1 file changed, 9 insertions(+), 5 deletions(-)

diff --git a/fs/nfsd/nfs4xdr.c b/fs/nfsd/nfs4xdr.c
index 2ff3dfaca4a1..b4f23d1fd85e 100644
--- a/fs/nfsd/nfs4xdr.c
+++ b/fs/nfsd/nfs4xdr.c
@@ -1100,18 +1100,22 @@ nfsd4_decode_open(struct nfsd4_compoundargs *argp, struct nfsd4_open *open)
 static __be32
 nfsd4_decode_open_confirm(struct nfsd4_compoundargs *argp, struct nfsd4_open_confirm *open_conf)
 {
-	DECODE_HEAD;
+	__be32 status;
 
 	if (argp->minorversion >= 1)
 		return nfserr_notsupp;
 
 	status = nfsd4_decode_stateid4(argp, &open_conf->oc_req_stateid);
 	if (status)
-		return status;
-	READ_BUF(4);
-	open_conf->oc_seqid = be32_to_cpup(p++);
+		goto out;
+	if (xdr_stream_decode_u32(argp->xdr, &open_conf->oc_seqid) < 0)
+		goto xdr_error;
 
-	DECODE_TAIL;
+	status = nfs_ok;
+out:
+	return status;
+xdr_error:
+	return nfserr_bad_xdr;
 }
 
 static __be32