[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/ref.c b/net/tipc/ref.c
index 5a13c2d..33bbf50 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 @@
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 @@
return;
vfree(tipc_ref_table.entries);
- tipc_ref_table.entries = 0;
+ tipc_ref_table.entries = NULL;
}
/**
@@ -173,7 +173,7 @@
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