From: Glauber Costa <gcosta@redhat.com>
Date: Wed, 9 Apr 2008 16:18:09 +0000 (-0300)
Subject: x86: don't do dma if mask is NULL.
X-Git-Tag: v2.6.26-rc1~1133^2~2
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=bb8ada95a7c11adf3dad4e8d5c55ef1650560592;p=pandora-kernel.git

x86: don't do dma if mask is NULL.

if the device hasn't provided a mask, abort allocation.
Note that we're using a fallback device now, so it does not cover
the case of a NULL device: just drivers passing NULL masks around.

Signed-off-by: Glauber Costa <gcosta@redhat.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
---

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