net: Remove iocb argument from sendmsg and recvmsg

After TIPC doesn't depend on iocb argument in its internal
implementations of sendmsg() and recvmsg() hooks defined in proto
structure, no any user is using iocb argument in them at all now.
Then we can drop the redundant iocb argument completely from kinds of
implementations of both sendmsg() and recvmsg() in the entire
networking stack.

Cc: Christoph Hellwig <hch@lst.de>
Suggested-by: Al Viro <viro@ZenIV.linux.org.uk>
Signed-off-by: Ying Xue <ying.xue@windriver.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

3 files changed, 8 insertions, 11 deletions

diff --git a/net/l2tp/l2tp_ip.c b/net/l2tp/l2tp_ip.c
index 05dfc8aa36af..79649937ec71 100644
--- a/net/l2tp/l2tp_ip.c
+++ b/net/l2tp/l2tp_ip.c
@@ -385,7 +385,7 @@ drop:
 /* Userspace will call sendmsg() on the tunnel socket to send L2TP
  * control frames.
  */
-static int l2tp_ip_sendmsg(struct kiocb *iocb, struct sock *sk, struct msghdr *msg, size_t len)
+static int l2tp_ip_sendmsg(struct sock *sk, struct msghdr *msg, size_t len)
 {
         struct sk_buff *skb;
         int rc;
@@ -506,7 +506,7 @@ no_route:
         goto out;
 }
 
-static int l2tp_ip_recvmsg(struct kiocb *iocb, struct sock *sk, struct msghdr *msg,
+static int l2tp_ip_recvmsg(struct sock *sk, struct msghdr *msg,
                            size_t len, int noblock, int flags, int *addr_len)
 {
         struct inet_sock *inet = inet_sk(sk);
diff --git a/net/l2tp/l2tp_ip6.c b/net/l2tp/l2tp_ip6.c
index 8611f1b63141..d1ded3777815 100644
--- a/net/l2tp/l2tp_ip6.c
+++ b/net/l2tp/l2tp_ip6.c
@@ -480,8 +480,7 @@ out:
 /* Userspace will call sendmsg() on the tunnel socket to send L2TP
  * control frames.
  */
-static int l2tp_ip6_sendmsg(struct kiocb *iocb, struct sock *sk,
-                            struct msghdr *msg, size_t len)
+static int l2tp_ip6_sendmsg(struct sock *sk, struct msghdr *msg, size_t len)
 {
         struct ipv6_txoptions opt_space;
         DECLARE_SOCKADDR(struct sockaddr_l2tpip6 *, lsa, msg->msg_name);
@@ -643,9 +642,8 @@ do_confirm:
         goto done;
 }
 
-static int l2tp_ip6_recvmsg(struct kiocb *iocb, struct sock *sk,
-                            struct msghdr *msg, size_t len, int noblock,
-                            int flags, int *addr_len)
+static int l2tp_ip6_recvmsg(struct sock *sk, struct msghdr *msg, size_t len,
+                            int noblock, int flags, int *addr_len)
 {
         struct ipv6_pinfo *np = inet6_sk(sk);
         DECLARE_SOCKADDR(struct sockaddr_l2tpip6 *, lsa, msg->msg_name);
diff --git a/net/l2tp/l2tp_ppp.c b/net/l2tp/l2tp_ppp.c
index cc7a828fc914..e9b0dec56b8e 100644
--- a/net/l2tp/l2tp_ppp.c
+++ b/net/l2tp/l2tp_ppp.c
@@ -185,9 +185,8 @@ static int pppol2tp_recv_payload_hook(struct sk_buff *skb)
 
 /* Receive message. This is the recvmsg for the PPPoL2TP socket.
  */
-static int pppol2tp_recvmsg(struct kiocb *iocb, struct socket *sock,
-                            struct msghdr *msg, size_t len,
-                            int flags)
+static int pppol2tp_recvmsg(struct socket *sock, struct msghdr *msg,
+                            size_t len, int flags)
 {
         int err;
         struct sk_buff *skb;
@@ -295,7 +294,7 @@ static void pppol2tp_session_sock_put(struct l2tp_session *session)
  * when a user application does a sendmsg() on the session socket. L2TP and
  * PPP headers must be inserted into the user's data.
  */
-static int pppol2tp_sendmsg(struct kiocb *iocb, struct socket *sock, struct msghdr *m,
+static int pppol2tp_sendmsg(struct socket *sock, struct msghdr *m,
                             size_t total_len)
 {
         static const unsigned char ppph[2] = { 0xff, 0x03 };