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 <[email protected]> Signed-off-by: David S. Miller <[email protected]>
cail · Nov 24, 2008 · 3755810 · 3755810
1 parent 920de80
commit 3755810
Showing 1 changed file with 2 additions and 0 deletions.
diff --git a/net/netlink/af_netlink.c b/net/netlink/af_netlink.c
@@ -515,7 +515,9 @@ static int netlink_release(struct socket *sock)
 	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;
 }