[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/user_reg.c b/net/tipc/user_reg.c
index 106200d..3f3f933 100644
--- a/net/tipc/user_reg.c
+++ b/net/tipc/user_reg.c
@@ -65,7 +65,7 @@
#define MAX_USERID 64
#define USER_LIST_SIZE ((MAX_USERID + 1) * sizeof(struct tipc_user))
-static struct tipc_user *users = 0;
+static struct tipc_user *users = NULL;
static u32 next_free_user = MAX_USERID + 1;
static spinlock_t reg_lock = SPIN_LOCK_UNLOCKED;
@@ -149,7 +149,7 @@
reg_callback(&users[id]);
}
kfree(users);
- users = 0;
+ users = NULL;
}
/**