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Fri, 12 Mar 2021 02:20:22 +0000 From: Hoang Huu Le To: jmaloy@redhat.com, maloy@donjonn.com, ying.xue@windriver.com, kuba@kernel.org, davem@davemloft.net, netdev@vger.kernel.org, tipc-discussion@lists.sourceforge.net Cc: Hoang Le Subject: [net-next v2 1/2] tipc: convert dest node's address to network order Date: Fri, 12 Mar 2021 09:20:07 +0700 Message-Id: <20210312022008.6495-1-hoang.h.le@dektech.com.au> X-Mailer: git-send-email 2.25.1 X-Originating-IP: [113.20.114.51] X-ClientProxiedBy: HKAPR03CA0004.apcprd03.prod.outlook.com (2603:1096:203:c8::9) To VI1PR05MB4605.eurprd05.prod.outlook.com (2603:10a6:802:61::21) MIME-Version: 1.0 X-MS-Exchange-MessageSentRepresentingType: 1 Received: from dektech.com.au (113.20.114.51) by HKAPR03CA0004.apcprd03.prod.outlook.com (2603:1096:203:c8::9) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.3955.9 via Frontend Transport; Fri, 12 Mar 2021 02:20:19 +0000 X-MS-PublicTrafficType: Email X-MS-Office365-Filtering-Correlation-Id: d7043eab-7cfc-41ba-d450-08d8e4fd6399 X-MS-TrafficTypeDiagnostic: VI1PR05MB4782: X-MS-Exchange-Transport-Forked: True X-Microsoft-Antispam-PRVS: X-MS-Oob-TLC-OOBClassifiers: OLM:2887; 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The problem detected by sparse: net/tipc/netlink_compat.c:699:24: warning: incorrect type in assignment (different base types) net/tipc/netlink_compat.c:699:24: expected restricted __be32 [usertype] dest net/tipc/netlink_compat.c:699:24: got int Acked-by: Jon Maloy Signed-off-by: Hoang Le --- net/tipc/netlink_compat.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/net/tipc/netlink_compat.c b/net/tipc/netlink_compat.c index 5a1ce64039f7..0749df80454d 100644 --- a/net/tipc/netlink_compat.c +++ b/net/tipc/netlink_compat.c @@ -696,7 +696,7 @@ static int tipc_nl_compat_link_dump(struct tipc_nl_compat_msg *msg, if (err) return err; - link_info.dest = nla_get_flag(link[TIPC_NLA_LINK_DEST]); + link_info.dest = htonl(nla_get_flag(link[TIPC_NLA_LINK_DEST])); link_info.up = htonl(nla_get_flag(link[TIPC_NLA_LINK_UP])); nla_strscpy(link_info.str, link[TIPC_NLA_LINK_NAME], TIPC_MAX_LINK_NAME); From patchwork Fri Mar 12 02:20:08 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Hoang Huu Le X-Patchwork-Id: 12133579 X-Patchwork-Delegate: kuba@kernel.org Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-18.7 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, INCLUDES_PATCH,MAILING_LIST_MULTI,MSGID_FROM_MTA_HEADER,SPF_HELO_NONE, SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id E2C72C433DB for ; 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dkim=none (message not signed) header.d=none;redhat.com; dmarc=none action=none header.from=dektech.com.au; Received: from VI1PR05MB4605.eurprd05.prod.outlook.com (2603:10a6:802:61::21) by VI1PR05MB4782.eurprd05.prod.outlook.com (2603:10a6:802:5f::20) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.3868.30; Fri, 12 Mar 2021 02:20:26 +0000 Received: from VI1PR05MB4605.eurprd05.prod.outlook.com ([fe80::5573:2fb4:56e0:1cc3]) by VI1PR05MB4605.eurprd05.prod.outlook.com ([fe80::5573:2fb4:56e0:1cc3%7]) with mapi id 15.20.3868.041; Fri, 12 Mar 2021 02:20:26 +0000 From: Hoang Huu Le To: jmaloy@redhat.com, maloy@donjonn.com, ying.xue@windriver.com, kuba@kernel.org, davem@davemloft.net, netdev@vger.kernel.org, tipc-discussion@lists.sourceforge.net Subject: [net-next v2 2/2] tipc: clean up warnings detected by sparse Date: Fri, 12 Mar 2021 09:20:08 +0700 Message-Id: <20210312022008.6495-2-hoang.h.le@dektech.com.au> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20210312022008.6495-1-hoang.h.le@dektech.com.au> References: <20210312022008.6495-1-hoang.h.le@dektech.com.au> X-Originating-IP: [113.20.114.51] X-ClientProxiedBy: HKAPR03CA0004.apcprd03.prod.outlook.com (2603:1096:203:c8::9) To VI1PR05MB4605.eurprd05.prod.outlook.com (2603:10a6:802:61::21) MIME-Version: 1.0 X-MS-Exchange-MessageSentRepresentingType: 1 Received: from dektech.com.au (113.20.114.51) by HKAPR03CA0004.apcprd03.prod.outlook.com (2603:1096:203:c8::9) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.3955.9 via Frontend Transport; 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X-MS-Exchange-AntiSpam-MessageData: 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 X-OriginatorOrg: dektech.com.au X-MS-Exchange-CrossTenant-Network-Message-Id: 2e38cc71-1d0a-4e5d-834c-08d8e4fd653d X-MS-Exchange-CrossTenant-AuthSource: VI1PR05MB4605.eurprd05.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 12 Mar 2021 02:20:25.9518 (UTC) X-MS-Exchange-CrossTenant-FromEntityHeader: Hosted X-MS-Exchange-CrossTenant-Id: 1957ea50-0dd8-4360-8db0-c9530df996b2 X-MS-Exchange-CrossTenant-MailboxType: HOSTED X-MS-Exchange-CrossTenant-UserPrincipalName: 1d8wuKwddq8E7mbhnst8wVBdsGBi7FgvuOJQ1JDGO4wGqeW50uI69gkY8CY6NQDW9VCwfAzcpimAsMos+x8bRphEKFTtqqSkyDpqUzu8gyQ= X-MS-Exchange-Transport-CrossTenantHeadersStamped: VI1PR05MB4782 Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org X-Patchwork-Delegate: kuba@kernel.org This patch fixes the following warning from sparse: net/tipc/monitor.c:263:35: warning: incorrect type in assignment (different base types) net/tipc/monitor.c:263:35: expected unsigned int net/tipc/monitor.c:263:35: got restricted __be32 [usertype] [...] net/tipc/node.c:374:13: warning: context imbalance in 'tipc_node_read_lock' - wrong count at exit net/tipc/node.c:379:13: warning: context imbalance in 'tipc_node_read_unlock' - unexpected unlock net/tipc/node.c:384:13: warning: context imbalance in 'tipc_node_write_lock' - wrong count at exit net/tipc/node.c:389:13: warning: context imbalance in 'tipc_node_write_unlock_fast' - unexpected unlock net/tipc/node.c:404:17: warning: context imbalance in 'tipc_node_write_unlock' - unexpected unlock [...] net/tipc/crypto.c:1201:9: warning: incorrect type in initializer (different address spaces) net/tipc/crypto.c:1201:9: expected struct tipc_aead [noderef] __rcu *__tmp net/tipc/crypto.c:1201:9: got struct tipc_aead * [...] v2: switch to use the keyword "__always_inline" for inline function Acked-by: Jon Maloy Signed-off-by: Hoang Huu Le --- net/tipc/crypto.c | 13 +++++----- net/tipc/monitor.c | 63 ++++++++++++++++++++++++++++++++++------------ net/tipc/node.c | 5 ++++ 3 files changed, 59 insertions(+), 22 deletions(-) diff --git a/net/tipc/crypto.c b/net/tipc/crypto.c index f4fca8f7f63f..b428fa1c3241 100644 --- a/net/tipc/crypto.c +++ b/net/tipc/crypto.c @@ -317,7 +317,7 @@ static int tipc_aead_key_generate(struct tipc_aead_key *skey); #define tipc_aead_rcu_replace(rcu_ptr, ptr, lock) \ do { \ - typeof(rcu_ptr) __tmp = rcu_dereference_protected((rcu_ptr), \ + struct tipc_aead *__tmp = rcu_dereference_protected((rcu_ptr), \ lockdep_is_held(lock)); \ rcu_assign_pointer((rcu_ptr), (ptr)); \ tipc_aead_put(__tmp); \ @@ -798,7 +798,7 @@ static int tipc_aead_encrypt(struct tipc_aead *aead, struct sk_buff *skb, ehdr = (struct tipc_ehdr *)skb->data; salt = aead->salt; if (aead->mode == CLUSTER_KEY) - salt ^= ehdr->addr; /* __be32 */ + salt ^= __be32_to_cpu(ehdr->addr); else if (__dnode) salt ^= tipc_node_get_addr(__dnode); memcpy(iv, &salt, 4); @@ -929,7 +929,7 @@ static int tipc_aead_decrypt(struct net *net, struct tipc_aead *aead, ehdr = (struct tipc_ehdr *)skb->data; salt = aead->salt; if (aead->mode == CLUSTER_KEY) - salt ^= ehdr->addr; /* __be32 */ + salt ^= __be32_to_cpu(ehdr->addr); else if (ehdr->destined) salt ^= tipc_own_addr(net); memcpy(iv, &salt, 4); @@ -1946,16 +1946,17 @@ static void tipc_crypto_rcv_complete(struct net *net, struct tipc_aead *aead, goto rcv; } tipc_aead_put(aead); - aead = tipc_aead_get(tmp); + aead = tipc_aead_get((struct tipc_aead __force __rcu *)tmp); } if (unlikely(err)) { - tipc_aead_users_dec(aead, INT_MIN); + tipc_aead_users_dec((struct tipc_aead __force __rcu *)aead, + INT_MIN); goto free_skb; } /* Set the RX key's user */ - tipc_aead_users_set(aead, 1); + tipc_aead_users_set((struct tipc_aead __force __rcu *)aead, 1); /* Mark this point, RX works */ rx->timer1 = jiffies; diff --git a/net/tipc/monitor.c b/net/tipc/monitor.c index 48fac3b17e40..1b514cb7a7d3 100644 --- a/net/tipc/monitor.c +++ b/net/tipc/monitor.c @@ -104,6 +104,36 @@ static struct tipc_monitor *tipc_monitor(struct net *net, int bearer_id) const int tipc_max_domain_size = sizeof(struct tipc_mon_domain); +static __always_inline u16 mon_cpu_to_le16(u16 val) +{ + return (__force __u16)htons(val); +} + +static __always_inline u32 mon_cpu_to_le32(u32 val) +{ + return (__force __u32)htonl(val); +} + +static __always_inline u64 mon_cpu_to_le64(u64 val) +{ + return (__force __u64)cpu_to_be64(val); +} + +static __always_inline u16 mon_le16_to_cpu(u16 val) +{ + return ntohs((__force __be16)val); +} + +static __always_inline u32 mon_le32_to_cpu(u32 val) +{ + return ntohl((__force __be32)val); +} + +static __always_inline u64 mon_le64_to_cpu(u64 val) +{ + return be64_to_cpu((__force __be64)val); +} + /* dom_rec_len(): actual length of domain record for transport */ static int dom_rec_len(struct tipc_mon_domain *dom, u16 mcnt) @@ -260,16 +290,16 @@ static void mon_update_local_domain(struct tipc_monitor *mon) diff |= dom->members[i] != peer->addr; dom->members[i] = peer->addr; map_set(&dom->up_map, i, peer->is_up); - cache->members[i] = htonl(peer->addr); + cache->members[i] = mon_cpu_to_le32(peer->addr); } diff |= dom->up_map != prev_up_map; if (!diff) return; dom->gen = ++mon->dom_gen; - cache->len = htons(dom->len); - cache->gen = htons(dom->gen); - cache->member_cnt = htons(member_cnt); - cache->up_map = cpu_to_be64(dom->up_map); + cache->len = mon_cpu_to_le16(dom->len); + cache->gen = mon_cpu_to_le16(dom->gen); + cache->member_cnt = mon_cpu_to_le16(member_cnt); + cache->up_map = mon_cpu_to_le64(dom->up_map); mon_apply_domain(mon, self); } @@ -455,10 +485,11 @@ void tipc_mon_rcv(struct net *net, void *data, u16 dlen, u32 addr, struct tipc_mon_domain dom_bef; struct tipc_mon_domain *dom; struct tipc_peer *peer; - u16 new_member_cnt = ntohs(arrv_dom->member_cnt); + u16 new_member_cnt = mon_le16_to_cpu(arrv_dom->member_cnt); int new_dlen = dom_rec_len(arrv_dom, new_member_cnt); - u16 new_gen = ntohs(arrv_dom->gen); - u16 acked_gen = ntohs(arrv_dom->ack_gen); + u16 new_gen = mon_le16_to_cpu(arrv_dom->gen); + u16 acked_gen = mon_le16_to_cpu(arrv_dom->ack_gen); + u16 arrv_dlen = mon_le16_to_cpu(arrv_dom->len); bool probing = state->probing; int i, applied_bef; @@ -469,7 +500,7 @@ void tipc_mon_rcv(struct net *net, void *data, u16 dlen, u32 addr, return; if (dlen != dom_rec_len(arrv_dom, new_member_cnt)) return; - if ((dlen < new_dlen) || ntohs(arrv_dom->len) != new_dlen) + if (dlen < new_dlen || arrv_dlen != new_dlen) return; /* Synch generation numbers with peer if link just came up */ @@ -517,9 +548,9 @@ void tipc_mon_rcv(struct net *net, void *data, u16 dlen, u32 addr, dom->len = new_dlen; dom->gen = new_gen; dom->member_cnt = new_member_cnt; - dom->up_map = be64_to_cpu(arrv_dom->up_map); + dom->up_map = mon_le64_to_cpu(arrv_dom->up_map); for (i = 0; i < new_member_cnt; i++) - dom->members[i] = ntohl(arrv_dom->members[i]); + dom->members[i] = mon_le32_to_cpu(arrv_dom->members[i]); /* Update peers affected by this domain record */ applied_bef = peer->applied; @@ -548,19 +579,19 @@ void tipc_mon_prep(struct net *net, void *data, int *dlen, if (likely(state->acked_gen == gen)) { len = dom_rec_len(dom, 0); *dlen = len; - dom->len = htons(len); - dom->gen = htons(gen); - dom->ack_gen = htons(state->peer_gen); + dom->len = mon_cpu_to_le16(len); + dom->gen = mon_cpu_to_le16(gen); + dom->ack_gen = mon_cpu_to_le16(state->peer_gen); dom->member_cnt = 0; return; } /* Send the full record */ read_lock_bh(&mon->lock); - len = ntohs(mon->cache.len); + len = mon_le16_to_cpu(mon->cache.len); *dlen = len; memcpy(data, &mon->cache, len); read_unlock_bh(&mon->lock); - dom->ack_gen = htons(state->peer_gen); + dom->ack_gen = mon_cpu_to_le16(state->peer_gen); } void tipc_mon_get_state(struct net *net, u32 addr, diff --git a/net/tipc/node.c b/net/tipc/node.c index 008670d1f43e..9c95ef4b6326 100644 --- a/net/tipc/node.c +++ b/net/tipc/node.c @@ -372,26 +372,31 @@ static struct tipc_node *tipc_node_find_by_id(struct net *net, u8 *id) } static void tipc_node_read_lock(struct tipc_node *n) + __acquires(n->lock) { read_lock_bh(&n->lock); } static void tipc_node_read_unlock(struct tipc_node *n) + __releases(n->lock) { read_unlock_bh(&n->lock); } static void tipc_node_write_lock(struct tipc_node *n) + __acquires(n->lock) { write_lock_bh(&n->lock); } static void tipc_node_write_unlock_fast(struct tipc_node *n) + __releases(n->lock) { write_unlock_bh(&n->lock); } static void tipc_node_write_unlock(struct tipc_node *n) + __releases(n->lock) { struct net *net = n->net; u32 addr = 0;