Signed-off-by: Benny Halevy <bhalevy@xxxxxxxxxxx>
---
fs/nfs/nfs4xdr.c | 25 +++++++++++++++----------
1 files changed, 15 insertions(+), 10 deletions(-)
diff --git a/fs/nfs/nfs4xdr.c b/fs/nfs/nfs4xdr.c
index b835dcc..af08947 100644
--- a/fs/nfs/nfs4xdr.c
+++ b/fs/nfs/nfs4xdr.c
@@ -4212,6 +4212,11 @@ static int decode_chan_attrs(struct xdr_stream *xdr,
return 0;
}
+static int decode_sessionid(struct xdr_stream *xdr, struct nfs4_sessionid *sid)
+{
+ return decode_opaque_fixed(xdr, sid->data, NFS4_MAX_SESSIONID_LEN);
+}
+
static int decode_create_session(struct xdr_stream *xdr,
struct nfs41_create_session_res *res)
{
@@ -4221,14 +4226,11 @@ static int decode_create_session(struct xdr_stream *xdr,
struct nfs4_session *session = clp->cl_session;
status = decode_op_hdr(xdr, OP_CREATE_SESSION);
-
- if (status)
+ if (!status)
+ status = decode_sessionid(xdr, &session->sess_id);
+ if (unlikely(status))
return status;
- /* sessionid */
- READ_BUF(NFS4_MAX_SESSIONID_LEN);
- COPYMEM(&session->sess_id, NFS4_MAX_SESSIONID_LEN);
-
/* seqid, flags */
READ_BUF(8);
clp->cl_seqid = be32_to_cpup(p++);
@@ -4262,7 +4264,9 @@ static int decode_sequence(struct xdr_stream *xdr,
return 0;
status = decode_op_hdr(xdr, OP_SEQUENCE);
- if (status)
+ if (!status)
+ status = decode_sessionid(xdr, &id);
+ if (unlikely(status))
goto out_err;
/*
@@ -4271,15 +4275,16 @@ static int decode_sequence(struct xdr_stream *xdr,
*/
status = -ESERVERFAULT;
- slot = &res->sr_session->fc_slot_table.slots[res->sr_slotid];
- READ_BUF(NFS4_MAX_SESSIONID_LEN + 20);
- COPYMEM(id.data, NFS4_MAX_SESSIONID_LEN);
if (memcmp(id.data, res->sr_session->sess_id.data,
NFS4_MAX_SESSIONID_LEN)) {
dprintk("%s Invalid session id\n", __func__);
goto out_err;
}
+
+ READ_BUF(20);
+
/* seqid */
+ slot = &res->sr_session->fc_slot_table.slots[res->sr_slotid];
dummy = be32_to_cpup(p++);
if (dummy != slot->seq_nr) {
dprintk("%s Invalid sequence number\n", __func__);
--
1.6.4
--
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