[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>
diff --git a/net/tipc/node.c b/net/tipc/node.c
index 6d65010..9f23845 100644
--- a/net/tipc/node.c
+++ b/net/tipc/node.c
@@ -155,7 +155,7 @@
u32 i;
u32 highest_prio = 0;
- active[0] = active[1] = 0;
+ active[0] = active[1] = NULL;
for (i = 0; i < MAX_BEARERS; i++) {
struct link *l_ptr = n_ptr->links[i];
@@ -240,7 +240,7 @@
err("Attempt to create third link to %s\n",
addr_string_fill(addr_string, n_ptr->addr));
- return 0;
+ return NULL;
}
if (!n_ptr->links[bearer_id]) {
@@ -253,12 +253,12 @@
l_ptr->b_ptr->publ.name,
addr_string_fill(addr_string, l_ptr->addr));
}
- return 0;
+ return NULL;
}
void tipc_node_detach_link(struct node *n_ptr, struct link *l_ptr)
{
- n_ptr->links[l_ptr->b_ptr->identity] = 0;
+ n_ptr->links[l_ptr->b_ptr->identity] = NULL;
tipc_net.zones[tipc_zone(l_ptr->addr)]->links--;
n_ptr->link_cnt--;
}
@@ -424,7 +424,7 @@
/* Notify subscribers */
list_for_each_entry_safe(ns, tns, &n_ptr->nsub, nodesub_list) {
- ns->node = 0;
+ ns->node = NULL;
list_del_init(&ns->nodesub_list);
tipc_k_signal((Handler)ns->handle_node_down,
(unsigned long)ns->usr_handle);
@@ -443,7 +443,7 @@
u32 router_addr;
if (!tipc_addr_domain_valid(addr))
- return 0;
+ return NULL;
/* Look for direct link to destination processsor */
n_ptr = tipc_node_find(addr);
@@ -452,7 +452,7 @@
/* Cluster local system nodes *must* have direct links */
if (!is_slave(addr) && in_own_cluster(addr))
- return 0;
+ return NULL;
/* Look for cluster local router with direct link to node */
router_addr = tipc_node_select_router(n_ptr, selector);
@@ -462,7 +462,7 @@
/* Slave nodes can only be accessed within own cluster via a
known router with direct link -- if no router was found,give up */
if (is_slave(addr))
- return 0;
+ return NULL;
/* Inter zone/cluster -- find any direct link to remote cluster */
addr = tipc_addr(tipc_zone(addr), tipc_cluster(addr), 0);
@@ -475,7 +475,7 @@
if (router_addr)
return tipc_node_select(router_addr, selector);
- return 0;
+ return NULL;
}
/**