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Sender: Chuck Lever <chucklever@gmail.com>
Subject: [PATCH v2 088/118] NFSD: Update COMMIT3arg decoder to use struct
 xdr_stream
From:   Chuck Lever <chuck.lever@oracle.com>
To:     linux-nfs@vger.kernel.org
Date:   Fri, 20 Nov 2020 15:41:34 -0500
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Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
---
 fs/nfsd/nfs3xdr.c |   12 ++++++++----
 1 file changed, 8 insertions(+), 4 deletions(-)

diff --git a/fs/nfsd/nfs3xdr.c b/fs/nfsd/nfs3xdr.c
index 05fa16d91564..a74c309ad429 100644
--- a/fs/nfsd/nfs3xdr.c
+++ b/fs/nfsd/nfs3xdr.c
@@ -594,14 +594,18 @@ nfs3svc_decode_readdirplusargs(struct svc_rqst *rqstp, __be32 *p)
 int
 nfs3svc_decode_commitargs(struct svc_rqst *rqstp, __be32 *p)
 {
+	struct xdr_stream *xdr = &rqstp->rq_xdr_stream;
 	struct nfsd3_commitargs *args = rqstp->rq_argp;
-	p = decode_fh(p, &args->fh);
+
+	if (!svcxdr_decode_nfs_fh3(xdr, &args->fh))
+		return XDR_DECODE_FAILED;
+	p = xdr_inline_decode(xdr, sizeof(__be32) * 3);
 	if (!p)
-		return 0;
+		return XDR_DECODE_FAILED;
 	p = xdr_decode_hyper(p, &args->offset);
-	args->count = ntohl(*p++);
+	args->count = be32_to_cpup(p);
 
-	return xdr_argsize_check(rqstp, p);
+	return XDR_DECODE_DONE;
 }
 
 /*