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authorBenny Halevy <bhalevy@panasas.com>2009-08-14 17:19:56 +0300
committerTrond Myklebust <Trond.Myklebust@netapp.com>2009-08-14 13:57:58 -0400
commitdb942bbd09563e169cc5d9004c32c1de33220fd1 (patch)
tree1618857c99448dc58aeb08515645a8171418b65e /fs/nfs/nfs4xdr.c
parent07d30434cfe2f1a1553143c6b20f1fe68d2ef80a (diff)
downloadop-kernel-dev-db942bbd09563e169cc5d9004c32c1de33220fd1.zip
op-kernel-dev-db942bbd09563e169cc5d9004c32c1de33220fd1.tar.gz
nfs: nfs4xdr: introduce decode_verifier helper
Signed-off-by: Benny Halevy <bhalevy@panasas.com> [Trond: Fixed up an 'uninitialised variable' issue in decode_readdir] Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
Diffstat (limited to 'fs/nfs/nfs4xdr.c')
-rw-r--r--fs/nfs/nfs4xdr.c22
1 files changed, 12 insertions, 10 deletions
diff --git a/fs/nfs/nfs4xdr.c b/fs/nfs/nfs4xdr.c
index 86e6983..404f2e6 100644
--- a/fs/nfs/nfs4xdr.c
+++ b/fs/nfs/nfs4xdr.c
@@ -3320,17 +3320,19 @@ static int decode_close(struct xdr_stream *xdr, struct nfs_closeres *res)
return status;
}
+static int decode_verifier(struct xdr_stream *xdr, void *verifier)
+{
+ return decode_opaque_fixed(xdr, verifier, 8);
+}
+
static int decode_commit(struct xdr_stream *xdr, struct nfs_writeres *res)
{
- __be32 *p;
int status;
status = decode_op_hdr(xdr, OP_COMMIT);
- if (status)
- return status;
- READ_BUF(8);
- COPYMEM(res->verf->verifier, 8);
- return 0;
+ if (!status)
+ status = decode_verifier(xdr, res->verf->verifier);
+ return status;
}
static int decode_create(struct xdr_stream *xdr, struct nfs4_change_info *cinfo)
@@ -3852,17 +3854,17 @@ static int decode_readdir(struct xdr_stream *xdr, struct rpc_rqst *req, struct n
int status;
status = decode_op_hdr(xdr, OP_READDIR);
- if (status)
+ if (!status)
+ status = decode_verifier(xdr, readdir->verifier.data);
+ if (unlikely(status))
return status;
- READ_BUF(8);
- COPYMEM(readdir->verifier.data, 8);
dprintk("%s: verifier = %08x:%08x\n",
__func__,
((u32 *)readdir->verifier.data)[0],
((u32 *)readdir->verifier.data)[1]);
- hdrlen = (char *) p - (char *) iov->iov_base;
+ hdrlen = (char *) xdr->p - (char *) iov->iov_base;
recvd = rcvbuf->len - hdrlen;
if (pglen > recvd)
pglen = recvd;
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