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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>
This commit is contained in:
Stephen Hemminger 2008-07-22 14:35:50 -07:00 committed by David S. Miller
parent 75307c0fe7
commit 3d0f24a74e
3 changed files with 6 additions and 9 deletions
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2
include/net/ip6_route.h
View File

@ -68,7 +68,7 @@ extern struct rt6_info *rt6_lookup(struct net *net,
extern struct dst_entry *icmp6_dst_alloc(struct net_device *dev,
struct neighbour *neigh,
const struct in6_addr *addr);
extern int icmp6_dst_gc(int *more);
extern int icmp6_dst_gc(void);
extern void fib6_force_start_gc(struct net *net);

3
net/ipv6/ip6_fib.c
View File

@ -1453,9 +1453,8 @@ void fib6_run_gc(unsigned long expires, struct net *net)
}
gc_args.timeout = net->ipv6.sysctl.ip6_rt_gc_interval;
}
gc_args.more = 0;
icmp6_dst_gc(&gc_args.more);
gc_args.more = icmp6_dst_gc();
fib6_clean_all(net, fib6_age, 0, NULL);

10
net/ipv6/route.c
View File

@ -978,13 +978,12 @@ out:
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 @@ int icmp6_dst_gc(int *more)
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)