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Diffstat (limited to 'net/sunrpc')
-rw-r--r--net/sunrpc/clnt.c14
1 files changed, 13 insertions, 1 deletions
diff --git a/net/sunrpc/clnt.c b/net/sunrpc/clnt.c
index 44d5cf318813..8b622ceb1158 100644
--- a/net/sunrpc/clnt.c
+++ b/net/sunrpc/clnt.c
@@ -2465,6 +2465,7 @@ call_decode(struct rpc_task *task)
struct rpc_clnt *clnt = task->tk_client;
struct rpc_rqst *req = task->tk_rqstp;
struct xdr_stream xdr;
+ int err;
dprint_status(task);
@@ -2487,6 +2488,15 @@ call_decode(struct rpc_task *task)
* before it changed req->rq_reply_bytes_recvd.
*/
smp_rmb();
+
+ /*
+ * Did we ever call xprt_complete_rqst()? If not, we should assume
+ * the message is incomplete.
+ */
+ err = -EAGAIN;
+ if (!req->rq_reply_bytes_recvd)
+ goto out;
+
req->rq_rcv_buf.len = req->rq_private_buf.len;
/* Check that the softirq receive buffer is valid */
@@ -2495,7 +2505,9 @@ call_decode(struct rpc_task *task)
xdr_init_decode(&xdr, &req->rq_rcv_buf,
req->rq_rcv_buf.head[0].iov_base, req);
- switch (rpc_decode_header(task, &xdr)) {
+ err = rpc_decode_header(task, &xdr);
+out:
+ switch (err) {
case 0:
task->tk_action = rpc_exit_task;
task->tk_status = rpcauth_unwrap_resp(task, &xdr);