3.4-stable review patch. If anyone has any objections, please let me know.
------------------
From: Gao feng <gaof...@cn.fujitsu.com>
[ Upstream commit 809d5fc9bf6589276a12bd4fd611e4c7ff9940c3 ]
set netlink_dump_control.module to avoid panic.
Signed-off-by: Gao feng <gaof...@cn.fujitsu.com>
Cc: Roland Dreier <rol...@kernel.org>
Cc: Sean Hefty <sean.he...@intel.com>
Signed-off-by: David S. Miller <da...@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gre...@linuxfoundation.org>
---
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(-)
--- a/drivers/infiniband/core/cma.c
+++ b/drivers/infiniband/core/cma.c
@@ -3451,7 +3451,8 @@ 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)
--- a/drivers/infiniband/core/netlink.c
+++ b/drivers/infiniband/core/netlink.c
@@ -151,6 +151,7 @@ static int ibnl_rcv_msg(struct sk_buff *
{
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);
}
--- 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);
--
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