linux-kernel - [PATCH v2 net-next] ipvlan: Fix sparse warning about _

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite for Android: free password hash cracker in your pocket

[<prev] [next>] [thread-next>] [day] [month] [year] [list]

Message-ID: <20251120172636.3818116-1-skorodumov.dmitry@huawei.com>
Date: Thu, 20 Nov 2025 20:26:32 +0300
From: Dmitry Skorodumov <skorodumov.dmitry@...wei.com>
To: <netdev@...r.kernel.org>, Dmitry Skorodumov
	<skorodumov.dmitry@...wei.com>, Jakub Kicinski <kuba@...nel.org>, Julian
 Vetter <julian@...er-limits.org>, Ido Schimmel <idosch@...dia.com>, Eric
 Dumazet <edumazet@...gle.com>, Guillaume Nault <gnault@...hat.com>, Mahesh
 Bandewar <maheshb@...gle.com>, "David S. Miller" <davem@...emloft.net>,
	<linux-kernel@...r.kernel.org>
CC: <andrey.bokhanko@...wei.com>, Andrew Lunn <andrew+netdev@...n.ch>, Paolo
 Abeni <pabeni@...hat.com>
Subject: [PATCH v2 net-next] ipvlan: Fix sparse warning about __be32 -> u32

Fixed a sparse warning:

ipvlan_core.c:56: warning: incorrect type in argument 1
(different base types) expected unsigned int [usertype] a
got restricted __be32 const [usertype] s_addr

Force cast the s_addr to u32

Fixes: 2ad7bf363841 ("ipvlan: Initial check-in of the IPVLAN driver.")
Signed-off-by: Dmitry Skorodumov <skorodumov.dmitry@...wei.com>
---
 drivers/net/ipvlan/ipvlan_core.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/net/ipvlan/ipvlan_core.c b/drivers/net/ipvlan/ipvlan_core.c
index d7e3ddbcab6f..dea411e132db 100644
--- a/drivers/net/ipvlan/ipvlan_core.c
+++ b/drivers/net/ipvlan/ipvlan_core.c
@@ -52,8 +52,8 @@ static u8 ipvlan_get_v4_hash(const void *iaddr)
 {
 	const struct in_addr *ip4_addr = iaddr;
 
-	return jhash_1word(ip4_addr->s_addr, ipvlan_jhash_secret) &
-	       IPVLAN_HASH_MASK;
+	return jhash_1word((__force u32)ip4_addr->s_addr, ipvlan_jhash_secret) &
+			   IPVLAN_HASH_MASK;
 }
 
 static bool addr_equal(bool is_v6, struct ipvl_addr *addr, const void *iaddr)
-- 
2.25.1