[PATCH v1 24/61] NFSD: Replace READ* macros in nfsd4_decode_readdir()

[Chuck Lever <chuck.lever@xxxxxxxxxx>]

Signed-off-by: Chuck Lever <chuck.lever@xxxxxxxxxx>
---
 fs/nfsd/nfs4xdr.c |   22 +++++++++++++++-------
 1 file changed, 15 insertions(+), 7 deletions(-)

diff --git a/fs/nfsd/nfs4xdr.c b/fs/nfsd/nfs4xdr.c
index 1f00fe6febf9..2e163c23d013 100644
--- a/fs/nfsd/nfs4xdr.c
+++ b/fs/nfsd/nfs4xdr.c
@@ -1197,19 +1197,27 @@ nfsd4_decode_read(struct nfsd4_compoundargs *argp, struct nfsd4_read *read)
 static __be32
 nfsd4_decode_readdir(struct nfsd4_compoundargs *argp, struct nfsd4_readdir *readdir)
 {
-	DECODE_HEAD;
+	__be32 status;
 
-	READ_BUF(24);
-	p = xdr_decode_hyper(p, &readdir->rd_cookie);
-	COPYMEM(readdir->rd_verf.data, sizeof(readdir->rd_verf.data));
-	readdir->rd_dircount = be32_to_cpup(p++);
-	readdir->rd_maxcount = be32_to_cpup(p++);
+	if (xdr_stream_decode_u64(argp->xdr, &readdir->rd_cookie) < 0)
+		goto xdr_error;
+	status = nfsd4_decode_verifier4(argp, &readdir->rd_verf);
+	if (status)
+		goto out;
+	if (xdr_stream_decode_u32(argp->xdr, &readdir->rd_dircount) < 0)
+		goto xdr_error;
+	if (xdr_stream_decode_u32(argp->xdr, &readdir->rd_maxcount) < 0)
+		goto xdr_error;
 	status = nfsd4_decode_bitmap4(argp, readdir->rd_bmval,
 				      ARRAY_SIZE(readdir->rd_bmval));
 	if (status)
 		goto out;
 
-	DECODE_TAIL;
+	status = nfs_ok;
+out:
+	return status;
+xdr_error:
+	return nfserr_bad_xdr;
 }
 
 static __be32