From: Al Viro <viro@zeniv.linux.org.uk>
Date: Thu, 20 Sep 2012 20:38:34 +0000 (-0400)
Subject: sh64: fix altstack switching on sigreturn
X-Git-Tag: v3.7-rc8~15^2~2
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=9dc87c7b5b0a2db407e086f45cf08ca78208cc16;p=pandora-kernel.git

sh64: fix altstack switching on sigreturn

incidentally, declaring a local variable as __user (!) to make
sparse STFU is really sick.  Especially since sparse had been
100% right - it *is* a bug.

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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