From: Paul Mundt <lethal@linux-sh.org>
Date: Fri, 6 Nov 2009 08:23:33 +0000 (+0900)
Subject: sh: unwinder: Fix up invalid PC refetch in dwarf unwinder.
X-Git-Tag: v2.6.32-rc7~62^2~2
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=421b541110b20ccff1a7ff3245439cb24efe9812;p=pandora-kernel.git

sh: unwinder: Fix up invalid PC refetch in dwarf unwinder.

The dwarf unwinder presently attempts to provide a sane PC value if none
is provided, however the logic is broken and cases where a previous valid
dwarf frame exists along with a bogus PC value can still proceed. This
fixes up the test and prevents the unwinder from blowing up.

Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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