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>
diff --git a/net/phonet/pep.c b/net/phonet/pep.c
index 5d3f2b7..6de2aeb 100644
--- a/net/phonet/pep.c
+++ b/net/phonet/pep.c
@@ -1118,8 +1118,7 @@
 
 }
 
-static int pep_sendmsg(struct kiocb *iocb, struct sock *sk,
-			struct msghdr *msg, size_t len)
+static int pep_sendmsg(struct sock *sk, struct msghdr *msg, size_t len)
 {
 	struct pep_sock *pn = pep_sk(sk);
 	struct sk_buff *skb;
@@ -1246,9 +1245,8 @@
 	return skb;
 }
 
-static int pep_recvmsg(struct kiocb *iocb, struct sock *sk,
-			struct msghdr *msg, size_t len, int noblock,
-			int flags, int *addr_len)
+static int pep_recvmsg(struct sock *sk, struct msghdr *msg, size_t len,
+		       int noblock, int flags, int *addr_len)
 {
 	struct sk_buff *skb;
 	int err;