ipv6: icmp6_dst_gc return change
Change icmp6_dst_gc to return the one value the caller cares about rather
than using call by reference.
Signed-off-by: Stephen Hemminger <shemminger@vyatta.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/ipv6/route.c b/net/ipv6/route.c
index 615b328..86540b2 100644
--- a/net/ipv6/route.c
+++ b/net/ipv6/route.c
@@ -978,13 +978,12 @@
return &rt->u.dst;
}
-int icmp6_dst_gc(int *more)
+int icmp6_dst_gc(void)
{
struct dst_entry *dst, *next, **pprev;
- int freed;
+ int more = 0;
next = NULL;
- freed = 0;
spin_lock_bh(&icmp6_dst_lock);
pprev = &icmp6_dst_gc_list;
@@ -993,16 +992,15 @@
if (!atomic_read(&dst->__refcnt)) {
*pprev = dst->next;
dst_free(dst);
- freed++;
} else {
pprev = &dst->next;
- (*more)++;
+ ++more;
}
}
spin_unlock_bh(&icmp6_dst_lock);
- return freed;
+ return more;
}
static int ip6_dst_gc(struct dst_ops *ops)