1 files changed, 2 insertions, 0 deletions

diff --git a/net/netlink/genetlink.c b/net/netlink/genetlink.c
index 2fd6dbea327a..1076fe16b122 100644
--- a/net/netlink/genetlink.c
+++ b/net/netlink/genetlink.c
@@ -877,8 +877,10 @@ static int ctrl_getfamily(struct sk_buff *skb, struct genl_info *info)
 #ifdef CONFIG_MODULES
                 if (res == NULL) {
                         genl_unlock();
+                        up_read(&cb_lock);
                         request_module("net-pf-%d-proto-%d-family-%s",
                                        PF_NETLINK, NETLINK_GENERIC, name);
+                        down_read(&cb_lock);
                         genl_lock();
                         res = genl_family_find_byname(name);
                 }