[PATCH v2 036/118] NFSD: Replace READ* macros in nfsd4_decode_open()

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Signed-off-by: Chuck Lever <chuck.lever@xxxxxxxxxx>
---
 fs/nfsd/nfs4xdr.c |   24 ++++++++++--------------
 1 file changed, 10 insertions(+), 14 deletions(-)

diff --git a/fs/nfsd/nfs4xdr.c b/fs/nfsd/nfs4xdr.c
index 32929a1106a2..f6fb167c7715 100644
--- a/fs/nfsd/nfs4xdr.c
+++ b/fs/nfsd/nfs4xdr.c
@@ -1071,7 +1071,7 @@ nfsd4_decode_open_claim4(struct nfsd4_compoundargs *argp,
 static __be32
 nfsd4_decode_open(struct nfsd4_compoundargs *argp, struct nfsd4_open *open)
 {
-	DECODE_HEAD;
+	__be32 status;
 	u32 dummy;
 
 	memset(open->op_bmval, 0, sizeof(open->op_bmval));
@@ -1079,28 +1079,24 @@ nfsd4_decode_open(struct nfsd4_compoundargs *argp, struct nfsd4_open *open)
 	open->op_openowner = NULL;
 
 	open->op_xdr_error = 0;
-	/* seqid, share_access, share_deny, clientid, ownerlen */
-	READ_BUF(4);
-	open->op_seqid = be32_to_cpup(p++);
-	/* decode, yet ignore deleg_when until supported */
+	if (xdr_stream_decode_u32(argp->xdr, &open->op_seqid) < 0)
+		return nfserr_bad_xdr;
+	/* decode, yet ignore deleg_want until supported */
 	status = nfsd4_decode_share_access(argp, &open->op_share_access,
 					   &open->op_deleg_want, &dummy);
 	if (status)
-		goto xdr_error;
+		return status;
 	status = nfsd4_decode_share_deny(argp, &open->op_share_deny);
 	if (status)
-		goto xdr_error;
-	READ_BUF(sizeof(clientid_t));
-	COPYMEM(&open->op_clientid, sizeof(clientid_t));
-	status = nfsd4_decode_opaque(argp, &open->op_owner);
+		return status;
+	status = nfsd4_decode_state_owner4(argp, &open->op_clientid,
+					   &open->op_owner);
 	if (status)
-		goto xdr_error;
+		return status;
 	status = nfsd4_decode_openflag4(argp, open);
 	if (status)
 		return status;
-	status = nfsd4_decode_open_claim4(argp, open);
-
-	DECODE_TAIL;
+	return nfsd4_decode_open_claim4(argp, open);
 }
 
 static __be32





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