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Date: Sun, 02 Dec 2012 02:20:44 +0800
From: kbuild test robot <fengguang.wu@...el.com>
To: Eric Dumazet <edumazet@...gle.com>
Cc: netdev@...r.kernel.org
Subject: [net-next:master 100/106] net/ipv4/inet_hashtables.c:242:21:
sparse: restricted __portpair degrades to integer
tree: git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next.git master
head: 577b981714b0b3530817569bf705bd74881efc83
commit: ce43b03e8889475817d427b1f3724c7e294b76eb [100/106] net: move inet_dport/inet_num in sock_common
sparse warnings:
+ net/ipv4/inet_hashtables.c:242:21: sparse: restricted __portpair degrades to integer
net/ipv4/inet_hashtables.c:246:29: sparse: restricted __portpair degrades to integer
net/ipv4/inet_hashtables.c:267:21: sparse: restricted __portpair degrades to integer
net/ipv4/inet_hashtables.c:274:29: sparse: restricted __portpair degrades to integer
net/ipv4/inet_hashtables.c:326:21: sparse: restricted __portpair degrades to integer
net/ipv4/inet_hashtables.c:341:21: sparse: restricted __portpair degrades to integer
--
+ net/ipv6/inet6_hashtables.c:92:21: sparse: restricted __portpair degrades to integer
net/ipv6/inet6_hashtables.c:95:29: sparse: restricted __portpair degrades to integer
net/ipv6/inet6_hashtables.c:111:21: sparse: restricted __portpair degrades to integer
net/ipv6/inet6_hashtables.c:117:29: sparse: restricted __portpair degrades to integer
net/ipv6/inet6_hashtables.c:248:21: sparse: restricted __portpair degrades to integer
net/ipv6/inet6_hashtables.c:263:21: sparse: restricted __portpair degrades to integer
vim +242 net/ipv4/inet_hashtables.c
77a5ba55 Pavel Emelyanov 2007-12-20 226 INET_ADDR_COOKIE(acookie, saddr, daddr)
77a5ba55 Pavel Emelyanov 2007-12-20 227 const __portpair ports = INET_COMBINED_PORTS(sport, hnum);
77a5ba55 Pavel Emelyanov 2007-12-20 228 struct sock *sk;
3ab5aee7 Eric Dumazet 2008-11-16 229 const struct hlist_nulls_node *node;
77a5ba55 Pavel Emelyanov 2007-12-20 230 /* Optimize here for direct hit, only listening connections can
77a5ba55 Pavel Emelyanov 2007-12-20 231 * have wildcards anyways.
77a5ba55 Pavel Emelyanov 2007-12-20 232 */
9f26b3ad Pavel Emelyanov 2008-06-16 233 unsigned int hash = inet_ehashfn(net, daddr, hnum, saddr, sport);
f373b53b Eric Dumazet 2009-10-09 234 unsigned int slot = hash & hashinfo->ehash_mask;
3ab5aee7 Eric Dumazet 2008-11-16 235 struct inet_ehash_bucket *head = &hashinfo->ehash[slot];
77a5ba55 Pavel Emelyanov 2007-12-20 236
3ab5aee7 Eric Dumazet 2008-11-16 237 rcu_read_lock();
3ab5aee7 Eric Dumazet 2008-11-16 238 begin:
3ab5aee7 Eric Dumazet 2008-11-16 239 sk_nulls_for_each_rcu(sk, node, &head->chain) {
ce43b03e Eric Dumazet 2012-11-30 240 if (sk->sk_hash != hash)
ce43b03e Eric Dumazet 2012-11-30 241 continue;
ce43b03e Eric Dumazet 2012-11-30 @242 if (likely(INET_MATCH(sk, net, acookie,
ce43b03e Eric Dumazet 2012-11-30 243 saddr, daddr, ports, dif))) {
3ab5aee7 Eric Dumazet 2008-11-16 244 if (unlikely(!atomic_inc_not_zero(&sk->sk_refcnt)))
3ab5aee7 Eric Dumazet 2008-11-16 245 goto begintw;
ce43b03e Eric Dumazet 2012-11-30 246 if (unlikely(!INET_MATCH(sk, net, acookie,
ce43b03e Eric Dumazet 2012-11-30 247 saddr, daddr, ports, dif))) {
3ab5aee7 Eric Dumazet 2008-11-16 248 sock_put(sk);
3ab5aee7 Eric Dumazet 2008-11-16 249 goto begin;
3ab5aee7 Eric Dumazet 2008-11-16 250 }
---
0-DAY kernel build testing backend Open Source Technology Center
Fengguang Wu, Yuanhan Liu Intel Corporation
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