netdev - Sparse warnings in IPV6 GRE

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Date:	Wed, 10 Oct 2012 11:54:02 -0700
From:	Stephen Hemminger <shemminger@...tta.com>
To:	Dmitry Kozlov <xeb@...l.ru>
Cc:	netdev@...r.kernel.org
Subject: Sparse warnings in IPV6 GRE

Looks like IPV6 GRE is probably not byte-endian safe?

  CHECK   net/ipv6/ip6_gre.c
net/ipv6/ip6_gre.c:472:37: warning: restricted __be32 degrades to integer
net/ipv6/ip6_gre.c:484:23: warning: restricted __be32 degrades to integer
net/ipv6/ip6_gre.c:964:26: warning: incorrect type in assignment (different base types)
net/ipv6/ip6_gre.c:964:26:    expected unsigned char [unsigned] [addressable] [usertype] flowic_proto
net/ipv6/ip6_gre.c:964:26:    got restricted __be16 [usertype] protocol
net/ipv6/ip6_gre.c:1510:33: warning: incorrect type in assignment (different base types)
net/ipv6/ip6_gre.c:1510:33:    expected restricted __be32 [usertype] flowinfo
net/ipv6/ip6_gre.c:1510:33:    got unsigned int
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