From 0f00f3de4199a1f447929236e9d46a03c6d4bd64 Mon Sep 17 00:00:00 2001 From: James Chapman Date: Mon, 21 Mar 2011 18:10:25 -0700 Subject: [PATCH] l2tp: fix possible oops on l2tp_eth module unload BugLink: http://bugs.launchpad.net/bugs/769042 [ Upstream commit 8aa525a9340da4227797a06221ca08399006635f ] A struct used in the l2tp_eth driver for registering network namespace ops was incorrectly marked as __net_initdata, leading to oops when module unloaded. BUG: unable to handle kernel paging request at ffffffffa00ec098 IP: [] ops_exit_list+0x7/0x4b PGD 142d067 PUD 1431063 PMD 195da8067 PTE 0 Oops: 0000 [#1] SMP last sysfs file: /sys/module/l2tp_eth/refcnt Call Trace: [] ? unregister_pernet_operations+0x32/0x93 [] ? unregister_pernet_device+0x2b/0x38 [] ? sys_delete_module+0x1b8/0x222 [] ? do_munmap+0x254/0x318 [] ? page_fault+0x25/0x30 [] ? system_call_fastpath+0x16/0x1b Signed-off-by: James Chapman Signed-off-by: David S. Miller Signed-off-by: Greg Kroah-Hartman Signed-off-by: Leann Ogasawara --- net/l2tp/l2tp_eth.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/net/l2tp/l2tp_eth.c b/net/l2tp/l2tp_eth.c index 8d9ce0a..a8193f5 100644 --- a/net/l2tp/l2tp_eth.c +++ b/net/l2tp/l2tp_eth.c @@ -283,7 +283,7 @@ static __net_init int l2tp_eth_init_net(struct net *net) return 0; } -static __net_initdata struct pernet_operations l2tp_eth_net_ops = { +static struct pernet_operations l2tp_eth_net_ops = { .init = l2tp_eth_init_net, .id = &l2tp_eth_net_id, .size = sizeof(struct l2tp_eth_net), -- 1.7.10.4