tipc: remove unnecessary variables and conditions

We remove a number of unnecessary variables and branches
in TIPC. This patch is cosmetic and does not change the
operation of TIPC in any way.

Reviewed-by: Jon Maloy <jon.maloy@ericsson.com>
Reviewed-by: Erik Hugne <erik.hugne@ericsson.com>
Signed-off-by: Wang Weidong <wangweidong1@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/net/tipc/name_table.c b/net/tipc/name_table.c
index 09dcd54..92a1533 100644 (file)
--- a/net/tipc/name_table.c
+++ b/net/tipc/name_table.c
@@ -148,8 +148,7 @@ static struct publication *publ_create(u32 type, u32 lower, u32 upper,
  */
 static struct sub_seq *tipc_subseq_alloc(u32 cnt)
 {
-       struct sub_seq *sseq = kcalloc(cnt, sizeof(struct sub_seq), GFP_ATOMIC);
-       return sseq;
+       return kcalloc(cnt, sizeof(struct sub_seq), GFP_ATOMIC);
 }
 
 /**

diff --git a/net/tipc/port.c b/net/tipc/port.c
index c081a76..5fd4c8c 100644 (file)
--- a/net/tipc/port.c
+++ b/net/tipc/port.c
@@ -832,17 +832,14 @@ exit:
  */
 int __tipc_disconnect(struct tipc_port *tp_ptr)
 {
-       int res;
-
        if (tp_ptr->connected) {
                tp_ptr->connected = 0;
                /* let timer expire on it's own to avoid deadlock! */
                tipc_nodesub_unsubscribe(&tp_ptr->subscription);
-               res = 0;
-       } else {
-               res = -ENOTCONN;
+               return 0;
        }
-       return res;
+
+       return -ENOTCONN;
 }
 
 /*

diff --git a/net/tipc/socket.c b/net/tipc/socket.c
index 3b61851..32037c5 100644 (file)
--- a/net/tipc/socket.c
+++ b/net/tipc/socket.c
@@ -239,7 +239,6 @@ static int tipc_sk_create(struct net *net, struct socket *sock, int protocol,
 int tipc_sock_create_local(int type, struct socket **res)
 {
        int rc;
-       struct sock *sk;
 
        rc = sock_create_lite(AF_TIPC, type, 0, res);
        if (rc < 0) {
@@ -248,8 +247,6 @@ int tipc_sock_create_local(int type, struct socket **res)
        }
        tipc_sk_create(&init_net, *res, 0, 1);
 
-       sk = (*res)->sk;
-
        return 0;
 }
 
@@ -1311,14 +1308,12 @@ static u32 filter_connect(struct tipc_sock *tsock, struct sk_buff **buf)
 static unsigned int rcvbuf_limit(struct sock *sk, struct sk_buff *buf)
 {
        struct tipc_msg *msg = buf_msg(buf);
-       unsigned int limit;
 
        if (msg_connected(msg))
-               limit = sysctl_tipc_rmem[2];
-       else
-               limit = sk->sk_rcvbuf >> TIPC_CRITICAL_IMPORTANCE <<
-                       msg_importance(msg);
-       return limit;
+               return sysctl_tipc_rmem[2];
+
+       return sk->sk_rcvbuf >> TIPC_CRITICAL_IMPORTANCE <<
+               msg_importance(msg);
 }
 
 /**