[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/cluster.c b/net/tipc/cluster.c
index ab974ca..9fe45a4 100644
--- a/net/tipc/cluster.c
+++ b/net/tipc/cluster.c
@@ -48,7 +48,7 @@
u32 lower, u32 upper);
struct sk_buff *tipc_cltr_prepare_routing_msg(u32 data_size, u32 dest);
-struct node **tipc_local_nodes = 0;
+struct node **tipc_local_nodes = NULL;
struct node_map tipc_cltr_bcast_nodes = {0,{0,}};
u32 tipc_highest_allowed_slave = 0;
@@ -61,7 +61,7 @@
c_ptr = (struct cluster *)kmalloc(sizeof(*c_ptr), GFP_ATOMIC);
if (c_ptr == NULL)
- return 0;
+ return NULL;
memset(c_ptr, 0, sizeof(*c_ptr));
c_ptr->addr = tipc_addr(tipc_zone(addr), tipc_cluster(addr), 0);
@@ -73,7 +73,7 @@
c_ptr->nodes = (struct node **)kmalloc(alloc, GFP_ATOMIC);
if (c_ptr->nodes == NULL) {
kfree(c_ptr);
- return 0;
+ return NULL;
}
memset(c_ptr->nodes, 0, alloc);
if (in_own_cluster(addr))
@@ -91,7 +91,7 @@
}
else {
kfree(c_ptr);
- c_ptr = 0;
+ c_ptr = NULL;
}
return c_ptr;
@@ -204,7 +204,7 @@
assert(!in_own_cluster(c_ptr->addr));
if (!c_ptr->highest_node)
- return 0;
+ return NULL;
/* Start entry must be random */
while (mask > c_ptr->highest_node) {
@@ -222,7 +222,7 @@
if (tipc_node_has_active_links(c_ptr->nodes[n_num]))
return c_ptr->nodes[n_num];
}
- return 0;
+ return NULL;
}
/*