Messages in this thread Patch in this message | | | From | Lucian Adrian Grijincu <> | Subject | [PATCH 6/9] sysctl: route: share ipv4_route_flush_table between nets | Date | Fri, 25 Feb 2011 20:52:38 +0200 |
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Signed-off-by: Lucian Adrian Grijincu <lucian.grijincu@gmail.com> --- net/ipv4/route.c | 36 +++++++----------------------------- 1 files changed, 7 insertions(+), 29 deletions(-)
diff --git a/net/ipv4/route.c b/net/ipv4/route.c index 6ed6603..8fd0208 100644 --- a/net/ipv4/route.c +++ b/net/ipv4/route.c @@ -3038,19 +3038,18 @@ void ip_rt_multicast_event(struct in_device *in_dev) #ifdef CONFIG_SYSCTL static int ipv4_sysctl_rtcache_flush(ctl_table *__ctl, int write, - void __user *buffer, - size_t *lenp, loff_t *ppos) + void __user *buffer, + size_t *lenp, loff_t *ppos, void *cookie) { if (write) { int flush_delay; ctl_table ctl; - struct net *net; + struct net *net = (struct net *) cookie; memcpy(&ctl, __ctl, sizeof(ctl)); ctl.data = &flush_delay; proc_dointvec(&ctl, write, buffer, lenp, ppos); - net = (struct net *)__ctl->extra1; rt_cache_flush(net, flush_delay); return 0; } @@ -3191,7 +3190,7 @@ static struct ctl_table ipv4_route_flush_table[] = { .procname = "flush", .maxlen = sizeof(int), .mode = 0200, - .proc_handler = ipv4_sysctl_rtcache_flush, + .proc_handler = (proc_handler *) ipv4_sysctl_rtcache_flush, }, { }, }; @@ -3205,37 +3204,16 @@ static __net_initdata struct ctl_path ipv4_route_path[] = { static __net_init int sysctl_route_net_init(struct net *net) { - struct ctl_table *tbl; - - tbl = ipv4_route_flush_table; - if (!net_eq(net, &init_net)) { - tbl = kmemdup(tbl, sizeof(ipv4_route_flush_table), GFP_KERNEL); - if (tbl == NULL) - goto err_dup; - } - tbl[0].extra1 = net; - - net->ipv4.route_hdr = - register_net_sysctl_table(net, ipv4_route_path, tbl); + net->ipv4.route_hdr = register_net_sysctl_table(net, + ipv4_route_path, ipv4_route_flush_table); if (net->ipv4.route_hdr == NULL) - goto err_reg; + return -ENOMEM; return 0; - -err_reg: - if (tbl != ipv4_route_flush_table) - kfree(tbl); -err_dup: - return -ENOMEM; } static __net_exit void sysctl_route_net_exit(struct net *net) { - struct ctl_table *tbl; - - tbl = net->ipv4.route_hdr->ctl_table_arg; unregister_net_sysctl_table(net->ipv4.route_hdr); - BUG_ON(tbl == ipv4_route_flush_table); - kfree(tbl); } static __net_initdata struct pernet_operations sysctl_route_ops = { -- 1.7.4.rc1.7.g2cf08.dirty
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