net: Make sure BHs are disabled in sock_prot_inuse_add()
There is still a call to sock_prot_inuse_add() in af_netlink
while in a preemptable section. Add explicit BH disable around
this call.
Signed-off-by: Eric Dumazet <dada1@cosmosbay.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/netlink/af_netlink.c b/net/netlink/af_netlink.c
index c7d7657..9eb895c 100644
--- a/net/netlink/af_netlink.c
+++ b/net/netlink/af_netlink.c
@@ -515,7 +515,9 @@
kfree(nlk->groups);
nlk->groups = NULL;
+ local_bh_disable();
sock_prot_inuse_add(sock_net(sk), &netlink_proto, -1);
+ local_bh_enable();
sock_put(sk);
return 0;
}