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-rw-r--r--net/sunrpc/svcsock.c17
1 files changed, 17 insertions, 0 deletions
diff --git a/net/sunrpc/svcsock.c b/net/sunrpc/svcsock.c
index 44a729d6efe..492a1dc544f 100644
--- a/net/sunrpc/svcsock.c
+++ b/net/sunrpc/svcsock.c
@@ -893,12 +893,17 @@ svc_udp_sendto(struct svc_rqst *rqstp)
return error;
}
+static void svc_udp_prep_reply_hdr(struct svc_rqst *rqstp)
+{
+}
+
static struct svc_xprt_ops svc_udp_ops = {
.xpo_recvfrom = svc_udp_recvfrom,
.xpo_sendto = svc_udp_sendto,
.xpo_release_rqst = svc_release_skb,
.xpo_detach = svc_sock_detach,
.xpo_free = svc_sock_free,
+ .xpo_prep_reply_hdr = svc_udp_prep_reply_hdr,
};
static struct svc_xprt_class svc_udp_class = {
@@ -1350,12 +1355,24 @@ svc_tcp_sendto(struct svc_rqst *rqstp)
return sent;
}
+/*
+ * Setup response header. TCP has a 4B record length field.
+ */
+static void svc_tcp_prep_reply_hdr(struct svc_rqst *rqstp)
+{
+ struct kvec *resv = &rqstp->rq_res.head[0];
+
+ /* tcp needs a space for the record length... */
+ svc_putnl(resv, 0);
+}
+
static struct svc_xprt_ops svc_tcp_ops = {
.xpo_recvfrom = svc_tcp_recvfrom,
.xpo_sendto = svc_tcp_sendto,
.xpo_release_rqst = svc_release_skb,
.xpo_detach = svc_sock_detach,
.xpo_free = svc_sock_free,
+ .xpo_prep_reply_hdr = svc_tcp_prep_reply_hdr,
};
static struct svc_xprt_class svc_tcp_class = {