[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, 4 insertions, 4 deletions

diff --git a/net/tipc/ref.c b/net/tipc/ref.c
index 5a13c2defe4a..33bbf5095094 100644
--- a/net/tipc/ref.c
+++ b/net/tipc/ref.c
@@ -61,7 +61,7 @@
  * because entry 0's reference field has the form XXXX|1--1.
  */
 
-struct ref_table tipc_ref_table = { 0 };
+struct ref_table tipc_ref_table = { NULL };
 
 static rwlock_t ref_table_lock = RW_LOCK_UNLOCKED;
 
@@ -86,7 +86,7 @@ int tipc_ref_table_init(u32 requested_size, u32 start)
         write_lock_bh(&ref_table_lock);
         index_mask = sz - 1;
         for (i = sz - 1; i >= 0; i--) {
-                table[i].object = 0;
+                table[i].object = NULL;
                 table[i].lock = SPIN_LOCK_UNLOCKED;
                 table[i].data.next_plus_upper = (start & ~index_mask) + i - 1;
         }
@@ -108,7 +108,7 @@ void tipc_ref_table_stop(void)
                 return;
 
         vfree(tipc_ref_table.entries);
-        tipc_ref_table.entries = 0;
+        tipc_ref_table.entries = NULL;
 }
 
 /**
@@ -173,7 +173,7 @@ void tipc_ref_discard(u32 ref)
         assert(entry->data.reference == ref);
 
         /* mark entry as unused */
-        entry->object = 0;
+        entry->object = NULL;
         if (tipc_ref_table.first_free == 0)
                 tipc_ref_table.first_free = index;
         else