[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, 14 insertions, 14 deletions

diff --git a/net/tipc/subscr.c b/net/tipc/subscr.c
index 5ff38b9f3194..3ec4e2b4e750 100644
--- a/net/tipc/subscr.c
+++ b/net/tipc/subscr.c
@@ -381,7 +381,7 @@ static void subscr_named_msg_event(void *usr_handle,
                                    struct tipc_name_seq const *dest)
 {
         struct subscriber *subscriber;
-        struct iovec msg_sect = {0, 0};
+        struct iovec msg_sect = {NULL, 0};
         spinlock_t *subscriber_lock;
 
         dbg("subscr_named_msg_event: orig = %x own = %x,\n",
@@ -413,13 +413,13 @@ static void subscr_named_msg_event(void *usr_handle,
         tipc_createport(topsrv.user_ref,
                         (void *)(unsigned long)subscriber->ref,
                         importance,
-                        0,
-                        0,
+                        NULL,
+                        NULL,
                         subscr_conn_shutdown_event,
-                        0,
-                        0,
+                        NULL,
+                        NULL,
                         subscr_conn_msg_event,
-                        0,
+                        NULL,
                         &subscriber->port_ref);
         if (subscriber->port_ref == 0) {
                 warn("Memory squeeze; failed to create subscription port\n");
@@ -461,22 +461,22 @@ int tipc_subscr_start(void)
         INIT_LIST_HEAD(&topsrv.subscriber_list);
 
         spin_lock_bh(&topsrv.lock);
-        res = tipc_attach(&topsrv.user_ref, 0, 0);
+        res = tipc_attach(&topsrv.user_ref, NULL, NULL);
         if (res) {
                 spin_unlock_bh(&topsrv.lock);
                 return res;
         }
 
         res = tipc_createport(topsrv.user_ref,
-                              0,
+                              NULL,
                               TIPC_CRITICAL_IMPORTANCE,
-                              0,
-                              0,
-                              0,
-                              0,
+                              NULL,
+                              NULL,
+                              NULL,
+                              NULL,
                               subscr_named_msg_event,
-                              0,
-                              0,
+                              NULL,
+                              NULL,
                               &topsrv.setup_port);
         if (res)
                 goto failed;