From: Chuck Lever <chuck.lever@oracle.com>
Date: Tue, 3 Nov 2020 18:12:27 +0000 (-0500)
Subject: NFSD: Replace READ* macros in nfsd4_decode_access()
X-Git-Tag: v5.10.220~756
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=9921353a52a7d621eb64ccaabaf28cc29be1c765;p=thirdparty%2Fkernel%2Fstable.git

NFSD: Replace READ* macros in nfsd4_decode_access()

[ Upstream commit d169a6a9e5fd7f9e4b74e5e5d2e5a4fd0f84ef05 ]

Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---

diff --git a/fs/nfsd/nfs4xdr.c b/fs/nfsd/nfs4xdr.c
index 8c694844f0efb..f3d54af9de92a 100644
--- a/fs/nfsd/nfs4xdr.c
+++ b/fs/nfsd/nfs4xdr.c
@@ -439,17 +439,6 @@ nfsd4_decode_stateid(struct nfsd4_compoundargs *argp, stateid_t *sid)
 	DECODE_TAIL;
 }
 
-static __be32
-nfsd4_decode_access(struct nfsd4_compoundargs *argp, struct nfsd4_access *access)
-{
-	DECODE_HEAD;
-
-	READ_BUF(4);
-	access->ac_req_access = be32_to_cpup(p++);
-
-	DECODE_TAIL;
-}
-
 static __be32 nfsd4_decode_cb_sec(struct nfsd4_compoundargs *argp, struct nfsd4_cb_sec *cbs)
 {
 	DECODE_HEAD;
@@ -531,6 +520,19 @@ static __be32 nfsd4_decode_cb_sec(struct nfsd4_compoundargs *argp, struct nfsd4_
 	DECODE_TAIL;
 }
 
+/*
+ * NFSv4 operation argument decoders
+ */
+
+static __be32
+nfsd4_decode_access(struct nfsd4_compoundargs *argp,
+		    struct nfsd4_access *access)
+{
+	if (xdr_stream_decode_u32(argp->xdr, &access->ac_req_access) < 0)
+		return nfserr_bad_xdr;
+	return nfs_ok;
+}
+
 static __be32 nfsd4_decode_backchannel_ctl(struct nfsd4_compoundargs *argp, struct nfsd4_backchannel_ctl *bc)
 {
 	DECODE_HEAD;