From 7f5245e54443cc70f78da156f034b32d313ef273 Mon Sep 17 00:00:00 2001
From: Gao feng <gaofeng@cn.fujitsu.com>
Date: Thu, 4 Oct 2012 20:15:49 +0000
Subject: [PATCH] infiniband: pass rdma_cm module to netlink_dump_start
set netlink_dump_control.module to avoid panic.
Signed-off-by: Gao feng <gaofeng@cn.fujitsu.com>
Cc: Roland Dreier <roland@kernel.org>
Cc: Sean Hefty <sean.hefty@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
drivers/infiniband/core/cma.c | 3 ++-
drivers/infiniband/core/netlink.c | 1 +
include/rdma/rdma_netlink.h | 1 +
3 files changed, 4 insertions(+), 1 deletion(-)
diff --git a/drivers/infiniband/core/cma.c b/drivers/infiniband/core/cma.c
index 26b37603dcf11..4fff27a7e37c0 100644
--- a/drivers/infiniband/core/cma.c
+++ b/drivers/infiniband/core/cma.c
@@ -3498,7 +3498,8 @@ out:
}
static const struct ibnl_client_cbs cma_cb_table[] = {
- [RDMA_NL_RDMA_CM_ID_STATS] = { .dump = cma_get_id_stats },
+ [RDMA_NL_RDMA_CM_ID_STATS] = { .dump = cma_get_id_stats,
+ .module = THIS_MODULE },
};
static int __init cma_init(void)
diff --git a/drivers/infiniband/core/netlink.c b/drivers/infiniband/core/netlink.c
index fe10a949aef9b..da06abde9e0d5 100644
--- a/drivers/infiniband/core/netlink.c
+++ b/drivers/infiniband/core/netlink.c
@@ -154,6 +154,7 @@ static int ibnl_rcv_msg(struct sk_buff *skb, struct nlmsghdr *nlh)
{
struct netlink_dump_control c = {
.dump = client->cb_table[op].dump,
+ .module = client->cb_table[op].module,
};
return netlink_dump_start(nls, skb, nlh, &c);
}
diff --git a/include/rdma/rdma_netlink.h b/include/rdma/rdma_netlink.h
index 3c5363ab867b2..bd3d8b24b4202 100644
--- a/include/rdma/rdma_netlink.h
+++ b/include/rdma/rdma_netlink.h
@@ -39,6 +39,7 @@ struct rdma_cm_id_stats {
struct ibnl_client_cbs {
int (*dump)(struct sk_buff *skb, struct netlink_callback *nlcb);
+ struct module *module;
};
int ibnl_init(void);
--
2.39.5