From: Chuck Lever <chuck.lever@oracle.com>
Date: Tue, 3 Nov 2020 18:14:35 +0000 (-0500)
Subject: NFSD: Replace READ* macros in nfsd4_decode_backchannel_ctl()
X-Git-Tag: accepted/tizen/unified/20230118.172025~8293^2~49
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=0f81d96098f8eb707afe2f8d5c3fe0f9316ef5ce;p=platform%2Fkernel%2Flinux-rpi.git

NFSD: Replace READ* macros in nfsd4_decode_backchannel_ctl()

Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
---

diff --git a/fs/nfsd/nfs4xdr.c b/fs/nfsd/nfs4xdr.c
index 61f9186..b1d32e0 100644
--- a/fs/nfsd/nfs4xdr.c
+++ b/fs/nfsd/nfs4xdr.c
@@ -788,17 +788,6 @@ nfsd4_decode_access(struct nfsd4_compoundargs *argp,
 	return nfs_ok;
 }
 
-static __be32 nfsd4_decode_backchannel_ctl(struct nfsd4_compoundargs *argp, struct nfsd4_backchannel_ctl *bc)
-{
-	DECODE_HEAD;
-
-	READ_BUF(4);
-	bc->bc_cb_program = be32_to_cpup(p++);
-	nfsd4_decode_cb_sec(argp, &bc->bc_cb_sec);
-
-	DECODE_TAIL;
-}
-
 static __be32 nfsd4_decode_bind_conn_to_session(struct nfsd4_compoundargs *argp, struct nfsd4_bind_conn_to_session *bcts)
 {
 	DECODE_HEAD;
@@ -1483,6 +1472,13 @@ nfsd4_decode_release_lockowner(struct nfsd4_compoundargs *argp, struct nfsd4_rel
 	return nfs_ok;
 }
 
+static __be32 nfsd4_decode_backchannel_ctl(struct nfsd4_compoundargs *argp, struct nfsd4_backchannel_ctl *bc)
+{
+	if (xdr_stream_decode_u32(argp->xdr, &bc->bc_cb_program) < 0)
+		return nfserr_bad_xdr;
+	return nfsd4_decode_cb_sec(argp, &bc->bc_cb_sec);
+}
+
 static __be32
 nfsd4_decode_exchange_id(struct nfsd4_compoundargs *argp,
 			 struct nfsd4_exchange_id *exid)