[TIPC]: Fix simple sparse warnings

Tried to run the new tipc stack through sparse.
Following patch fixes all cases where 0 was used
as replacement of NULL.
Use NULL to document this is a pointer and to silence sparse.

This brough sparse warning count down with 127 to 24 warnings.

Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Signed-off-by: Per Liden <per.liden@ericsson.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 7 insertions, 7 deletions

diff --git a/net/tipc/socket.c b/net/tipc/socket.c
index 67253bfcd702..d1347d7da147 100644
--- a/net/tipc/socket.c
+++ b/net/tipc/socket.c
@@ -178,7 +178,7 @@ static int tipc_create(struct socket *sock, int protocol)
         if (unlikely(protocol != 0))
                 return -EPROTONOSUPPORT;
 
-        ref = tipc_createport_raw(0, &dispatch, &wakeupdispatch, TIPC_LOW_IMPORTANCE);
+        ref = tipc_createport_raw(NULL, &dispatch, &wakeupdispatch, TIPC_LOW_IMPORTANCE);
         if (unlikely(!ref))
                 return -ENOMEM;
 
@@ -265,7 +265,7 @@ static int release(struct socket *sock)
                 sock_lock(tsock);
                 buf = skb_dequeue(&sk->sk_receive_queue);
                 if (!buf)
-                        tsock->p->usr_handle = 0;
+                        tsock->p->usr_handle = NULL;
                 sock_unlock(tsock);
                 if (!buf)
                         break;
@@ -319,7 +319,7 @@ static int bind(struct socket *sock, struct sockaddr *uaddr, int uaddr_len)
                 return -ERESTARTSYS;
         
         if (unlikely(!uaddr_len)) {
-                res = tipc_withdraw(tsock->p->ref, 0, 0);
+                res = tipc_withdraw(tsock->p->ref, 0, NULL);
                 goto exit;
         }
 
@@ -1226,7 +1226,7 @@ static int connect(struct socket *sock, struct sockaddr *dest, int destlen,
 {
    struct tipc_sock *tsock = tipc_sk(sock->sk);
    struct sockaddr_tipc *dst = (struct sockaddr_tipc *)dest;
-   struct msghdr m = {0,};
+   struct msghdr m = {NULL,};
    struct sk_buff *buf;
    struct tipc_msg *msg;
    int res;
@@ -1251,7 +1251,7 @@ static int connect(struct socket *sock, struct sockaddr *dest, int destlen,
    /* Send a 'SYN-' to destination */
 
    m.msg_name = dest;
-   if ((res = send_msg(0, sock, &m, 0)) < 0) {
+   if ((res = send_msg(NULL, sock, &m, 0)) < 0) {
            sock->state = SS_DISCONNECTING;
            return res;
    }
@@ -1367,9 +1367,9 @@ static int accept(struct socket *sock, struct socket *newsock, int flags)
 
                 msg_dbg(msg,"<ACC<: ");
                 if (!msg_data_sz(msg)) {
-                        struct msghdr m = {0,};
+                        struct msghdr m = {NULL,};
 
-                        send_packet(0, newsock, &m, 0);      
+                        send_packet(NULL, newsock, &m, 0);
                         advance_queue(tsock);
                 } else {
                         sock_lock(tsock);