linux-kernel - [PATCH 5.10 016/289] tipc: convert dest nodes address to network order

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Message-Id: <20210517140305.726545036@linuxfoundation.org>
Date:   Mon, 17 May 2021 15:59:01 +0200
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org, Jon Maloy <jmaloy@...hat.com>,
        Hoang Le <hoang.h.le@...tech.com.au>,
        "David S. Miller" <davem@...emloft.net>,
        Sasha Levin <sashal@...nel.org>
Subject: [PATCH 5.10 016/289] tipc: convert dest nodes address to network order

From: Hoang Le <hoang.h.le@...tech.com.au>

[ Upstream commit 1980d37565061ab44bdc2f9e4da477d3b9752e81 ]

(struct tipc_link_info)->dest is in network order (__be32), so we must
convert the value to network order before assigning. 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 <jmaloy@...hat.com>
Signed-off-by: Hoang Le <hoang.h.le@...tech.com.au>
Signed-off-by: David S. Miller <davem@...emloft.net>
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
 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 1c7aa51cc2a3..49e893313652 100644
--- a/net/tipc/netlink_compat.c
+++ b/net/tipc/netlink_compat.c
@@ -693,7 +693,7 @@ 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_strlcpy(link_info.str, link[TIPC_NLA_LINK_NAME],
 		    TIPC_MAX_LINK_NAME);
-- 
2.30.2