Message ID | 1536627901-18256-1-git-send-email-lirongqing@baidu.com |
---|---|
State | Accepted, archived |
Delegated to: | David Miller |
Headers | show |
Series | [net-next,v2] netlink: remove hash::nelems check in netlink_insert | expand |
From: Li RongQing <lirongqing@baidu.com> Date: Tue, 11 Sep 2018 09:05:01 +0800 > The type of hash::nelems has been changed from size_t to atom_t > which in fact is int, so not need to check if BITS_PER_LONG, that > is bit number of size_t, is bigger than 32 > > and rht_grow_above_max() will be called to check if hashtable is > too big, ensure it can not bigger than 1<<31 > > Signed-off-by: Zhang Yu <zhangyu31@baidu.com> > Signed-off-by: Li RongQing <lirongqing@baidu.com> Applied.
diff --git a/net/netlink/af_netlink.c b/net/netlink/af_netlink.c index b4a29bcc33b9..e3a0538ec0be 100644 --- a/net/netlink/af_netlink.c +++ b/net/netlink/af_netlink.c @@ -574,11 +574,6 @@ static int netlink_insert(struct sock *sk, u32 portid) if (nlk_sk(sk)->bound) goto err; - err = -ENOMEM; - if (BITS_PER_LONG > 32 && - unlikely(atomic_read(&table->hash.nelems) >= UINT_MAX)) - goto err; - nlk_sk(sk)->portid = portid; sock_hold(sk);