From: David S. Miller <davem@davemloft.net>
Date: Tue, 28 Jul 2009 01:10:28 +0000 (-0700)
Subject: sparc64: Sign extend length arg to truncate syscalls when compat.
X-Git-Tag: v2.6.31-rc8~28^2~6
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=9a926d86b29a25456f1dd8c9df938e151b1c3978;p=pandora-kernel.git

sparc64: Sign extend length arg to truncate syscalls when compat.

The first thing sys_truncate() and sys_ftruncate() do is sign extend
the unsigned length arg to a signed type.

Thanks to Benjamin Herrenschmidt for the tip.

Signed-off-by: David S. Miller <davem@davemloft.net>
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