[PATCH 07/24] sysctl: cookie: share ipv4_route_flush_table between nets
STALE5667d
From: Lucian Adrian Grijincu <hidden>
Date: 2011-04-02 02:54:25
Subsystem:
networking [general], networking [ipv4/ipv6], the rest · Maintainers:
"David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, David Ahern, Ido Schimmel, Linus Torvalds
Revision v1 of 2 in this series.
Revisions (2)
- v1 current
- v1
Signed-off-by: Lucian Adrian Grijincu <redacted> --- net/ipv4/route.c | 30 ++++-------------------------- 1 files changed, 4 insertions(+), 26 deletions(-)
diff --git a/net/ipv4/route.c b/net/ipv4/route.c
index 0c66ea6..1e99f01 100644
--- a/net/ipv4/route.c
+++ b/net/ipv4/route.c@@ -3015,13 +3015,12 @@ static int ipv4_sysctl_rtcache_flush(ctl_table *__ctl, int write, 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, NULL); - net = (struct net *)__ctl->extra1; rt_cache_flush(net, flush_delay); return 0; }
@@ -3176,37 +3175,16 @@ 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 = {
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1.7.5.rc0