From: Geert Uytterhoeven <geert@linux-m68k.org>
Date: Tue, 10 Dec 2013 10:35:47 +0000 (+0100)
Subject: m68k/mm: Check for mm != NULL in do_page_fault() debug code
X-Git-Tag: v3.14-rc1~183^2~7
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=4e25c0e92f8eaf69bc51d1d523bcb7268e7dd162;p=pandora-kernel.git

m68k/mm: Check for mm != NULL in do_page_fault() debug code

When DEBUG is enabled, do_page_fault() may dereference a NULL pointer,
causing recursive bus errors.

Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
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