From: Samuel Thibault <samuel.thibault@ens-lyon.org>
Date: Wed, 30 Sep 2009 23:19:39 +0000 (-0700)
Subject: x86: Fix csum_ipv6_magic asm memory clobber
X-Git-Tag: v2.6.32-rc4~62^2~4
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=d1716a60a8ea90788d24aa22d7eec83fbdd2d88a;p=pandora-kernel.git

x86: Fix csum_ipv6_magic asm memory clobber

Just like ip_fast_csum, the assembly snippet in csum_ipv6_magic needs a
memory clobber, as it is only passed the address of the buffer, not a
memory reference to the buffer itself.

This caused failures in Hurd's pfinetv4 when we tried to compile it with
gcc-4.3 (bogus checksums).

Signed-off-by: Samuel Thibault <samuel.thibault@ens-lyon.org>
Acked-by: David S. Miller <davem@davemloft.net>
Cc: Andi Kleen <andi@firstfloor.org>
Cc: <stable@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: H. Peter Anvin <hpa@zytor.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---

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