netdev - [PATCH net-next] ipv6: fix a sparse warning

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Message-ID: <1361218732.19353.105.camel@edumazet-glaptop>
Date:	Mon, 18 Feb 2013 12:18:52 -0800
From:	Eric Dumazet <erdnetdev@...il.com>
To:	David Miller <davem@...emloft.net>
Cc:	netdev <netdev@...r.kernel.org>
Subject: [PATCH net-next] ipv6: fix a sparse warning

From: Eric Dumazet <edumazet@...gle.com>

net/ipv6/reassembly.c:82:72: warning: incorrect type in argument 3 (different base types)
net/ipv6/reassembly.c:82:72:    expected unsigned int [unsigned] [usertype] c
net/ipv6/reassembly.c:82:72:    got restricted __be32 [usertype] id

Signed-off-by: Eric Dumazet <edumazet@...gle.com>
Reported-by: Fengguang Wu <fengguang.wu@...el.com>
---
 net/ipv6/reassembly.c |    3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/net/ipv6/reassembly.c b/net/ipv6/reassembly.c
index 9a6428a..3c6a772 100644
--- a/net/ipv6/reassembly.c
+++ b/net/ipv6/reassembly.c
@@ -79,7 +79,8 @@ unsigned int inet6_hash_frag(__be32 id, const struct in6_addr *saddr,
 {
 	u32 c;
 
-	c = jhash_3words(ipv6_addr_hash(saddr), ipv6_addr_hash(daddr), id, rnd);
+	c = jhash_3words(ipv6_addr_hash(saddr), ipv6_addr_hash(daddr),
+			 (__force u32)id, rnd);
 
 	return c & (INETFRAGS_HASHSZ - 1);
 }


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