From 9b6846cede40cf12429d0fa06b3af0a0f40ae596 Mon Sep 17 00:00:00 2001
From: Chris Metcalf <cmetcalf@tilera.com>
Date: Mon, 5 Aug 2013 12:37:24 -0400
Subject: [PATCH] tile PCI DMA: handle a NULL dev argument properly

Signed-off-by: Chris Metcalf <cmetcalf@tilera.com>
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Reading git-format-patch failed