linux-kernel - [PATCH net-next v3 2/2] bridge: mrp: Fix endian conversion and some other warnings

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Message-ID: <20200626073349.3495526-3-horatiu.vultur@microchip.com>
Date:   Fri, 26 Jun 2020 09:33:49 +0200
From:   Horatiu Vultur <horatiu.vultur@...rochip.com>
To:     <nikolay@...ulusnetworks.com>, <roopa@...ulusnetworks.com>,
        <davem@...emloft.net>, <kuba@...nel.org>, <netdev@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>, <bridge@...ts.linux-foundation.org>
CC:     Horatiu Vultur <horatiu.vultur@...rochip.com>,
        kernel test robot <lkp@...el.com>
Subject: [PATCH net-next v3 2/2] bridge: mrp: Fix endian conversion and some other warnings

The following sparse warnings are fixed:
net/bridge/br_mrp.c:106:18: warning: incorrect type in assignment (different base types)
net/bridge/br_mrp.c:106:18:    expected unsigned short [usertype]
net/bridge/br_mrp.c:106:18:    got restricted __be16 [usertype]
net/bridge/br_mrp.c:281:23: warning: incorrect type in argument 1 (different modifiers)
net/bridge/br_mrp.c:281:23:    expected struct list_head *entry
net/bridge/br_mrp.c:281:23:    got struct list_head [noderef] *
net/bridge/br_mrp.c:332:28: warning: incorrect type in argument 1 (different modifiers)
net/bridge/br_mrp.c:332:28:    expected struct list_head *new
net/bridge/br_mrp.c:332:28:    got struct list_head [noderef] *
net/bridge/br_mrp.c:332:40: warning: incorrect type in argument 2 (different modifiers)
net/bridge/br_mrp.c:332:40:    expected struct list_head *head
net/bridge/br_mrp.c:332:40:    got struct list_head [noderef] *
net/bridge/br_mrp.c:691:29: warning: incorrect type in argument 1 (different modifiers)
net/bridge/br_mrp.c:691:29:    expected struct list_head const *head
net/bridge/br_mrp.c:691:29:    got struct list_head [noderef] *
net/bridge/br_mrp.c:383:9: sparse: sparse: dereference of noderef expression
net/bridge/br_mrp.c:383:9: sparse: sparse: dereference of noderef expression
net/bridge/br_mrp.c:383:9: sparse: sparse: dereference of noderef expression

Reported-by: kernel test robot <lkp@...el.com>
Signed-off-by: Horatiu Vultur <horatiu.vultur@...rochip.com>
---
 net/bridge/br_mrp.c         | 2 +-
 net/bridge/br_private.h     | 2 +-
 net/bridge/br_private_mrp.h | 2 +-
 3 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/net/bridge/br_mrp.c b/net/bridge/br_mrp.c
index dcbf21b91313d..7541482898642 100644
--- a/net/bridge/br_mrp.c
+++ b/net/bridge/br_mrp.c
@@ -86,7 +86,7 @@ static struct sk_buff *br_mrp_skb_alloc(struct net_bridge_port *p,
 {
 	struct ethhdr *eth_hdr;
 	struct sk_buff *skb;
-	u16 *version;
+	__be16 *version;
 
 	skb = dev_alloc_skb(MRP_MAX_FRAME_LENGTH);
 	if (!skb)
diff --git a/net/bridge/br_private.h b/net/bridge/br_private.h
index 6a7d8e218ae7e..bbffbaac1beb6 100644
--- a/net/bridge/br_private.h
+++ b/net/bridge/br_private.h
@@ -434,7 +434,7 @@ struct net_bridge {
 	struct hlist_head		fdb_list;
 
 #if IS_ENABLED(CONFIG_BRIDGE_MRP)
-	struct list_head		__rcu mrp_list;
+	struct list_head		mrp_list;
 #endif
 };
 
diff --git a/net/bridge/br_private_mrp.h b/net/bridge/br_private_mrp.h
index 25c3b8596c25b..3243a2cc3a729 100644
--- a/net/bridge/br_private_mrp.h
+++ b/net/bridge/br_private_mrp.h
@@ -8,7 +8,7 @@
 
 struct br_mrp {
 	/* list of mrp instances */
-	struct list_head		__rcu list;
+	struct list_head		list;
 
 	struct net_bridge_port __rcu	*p_port;
 	struct net_bridge_port __rcu	*s_port;
-- 
2.26.2