NFSD: Replace READ* macros in nfsd4_decode_clone()
authorChuck Lever <chuck.lever@oracle.com>
Wed, 4 Nov 2020 15:46:46 +0000 (10:46 -0500)
committerChuck Lever <chuck.lever@oracle.com>
Mon, 30 Nov 2020 19:46:43 +0000 (14:46 -0500)
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
fs/nfsd/nfs4xdr.c

index a5a3dc3..baf17d2 100644 (file)
@@ -576,18 +576,6 @@ nfsd4_decode_fattr4(struct nfsd4_compoundargs *argp, u32 *bmval, u32 bmlen,
 }
 
 static __be32
-nfsd4_decode_stateid(struct nfsd4_compoundargs *argp, stateid_t *sid)
-{
-       DECODE_HEAD;
-
-       READ_BUF(sizeof(stateid_t));
-       sid->si_generation = be32_to_cpup(p++);
-       COPYMEM(&sid->si_opaque, sizeof(stateid_opaque_t));
-
-       DECODE_TAIL;
-}
-
-static __be32
 nfsd4_decode_stateid4(struct nfsd4_compoundargs *argp, stateid_t *sid)
 {
        __be32 *p;
@@ -1919,25 +1907,6 @@ nfsd4_decode_fallocate(struct nfsd4_compoundargs *argp,
        return nfs_ok;
 }
 
-static __be32
-nfsd4_decode_clone(struct nfsd4_compoundargs *argp, struct nfsd4_clone *clone)
-{
-       DECODE_HEAD;
-
-       status = nfsd4_decode_stateid(argp, &clone->cl_src_stateid);
-       if (status)
-               return status;
-       status = nfsd4_decode_stateid(argp, &clone->cl_dst_stateid);
-       if (status)
-               return status;
-
-       READ_BUF(8 + 8 + 8);
-       p = xdr_decode_hyper(p, &clone->cl_src_pos);
-       p = xdr_decode_hyper(p, &clone->cl_dst_pos);
-       p = xdr_decode_hyper(p, &clone->cl_count);
-       DECODE_TAIL;
-}
-
 static __be32 nfsd4_decode_nl4_server(struct nfsd4_compoundargs *argp,
                                      struct nl4_server *ns)
 {
@@ -2067,6 +2036,27 @@ nfsd4_decode_seek(struct nfsd4_compoundargs *argp, struct nfsd4_seek *seek)
        return nfs_ok;
 }
 
+static __be32
+nfsd4_decode_clone(struct nfsd4_compoundargs *argp, struct nfsd4_clone *clone)
+{
+       __be32 status;
+
+       status = nfsd4_decode_stateid4(argp, &clone->cl_src_stateid);
+       if (status)
+               return status;
+       status = nfsd4_decode_stateid4(argp, &clone->cl_dst_stateid);
+       if (status)
+               return status;
+       if (xdr_stream_decode_u64(argp->xdr, &clone->cl_src_pos) < 0)
+               return nfserr_bad_xdr;
+       if (xdr_stream_decode_u64(argp->xdr, &clone->cl_dst_pos) < 0)
+               return nfserr_bad_xdr;
+       if (xdr_stream_decode_u64(argp->xdr, &clone->cl_count) < 0)
+               return nfserr_bad_xdr;
+
+       return nfs_ok;
+}
+
 /*
  * XDR data that is more than PAGE_SIZE in size is normally part of a
  * read or write. However, the size of extended attributes is limited