From: Jay Estabrook <jay.estabrook@gmail.com>
Date: Sun, 17 Nov 2013 00:45:31 +0000 (-0800)
Subject: alpha: Prevent a NULL ptr dereference in csum_partial_copy.
X-Git-Tag: v3.13-rc1~21^2
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=5cfe8f1ba5eebe6f4b6e5858cdb1a5be4f3272a6;p=pandora-kernel.git

alpha: Prevent a NULL ptr dereference in csum_partial_copy.

Introduced by 3ddc5b46a8e90f3c92 ("kernel-wide: fix missing validations
on __get/__put/__copy_to/__copy_from_user()").

Also fix some other places which could be problematic in a similar way,
although they hadn't been proved so, as far as I can tell.

Cc: Michael Cree <mcree@orcon.net.nz>
Signed-off-by: Matt Turner <mattst88@gmail.com>
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