From 9e4b259d4fbf8a9c822117e734356e94b7f30927 Mon Sep 17 00:00:00 2001
From: Will Deacon <will.deacon@arm.com>
Date: Mon, 10 Jun 2013 19:34:40 +0100
Subject: [PATCH] ARM: dma-mapping: NULLify dev->archdata.mapping pointer on
 detach

The current code only clobbers a local variable, so the device is left
with a stale mapping pointer.

Cc: Hiroshi Doyu <hdoyu@nvidia.com>
Signed-off-by: Will Deacon <will.deacon@arm.com>
Acked-by: Hiroshi Doyu <hdoyu@nvidia.com>
Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
---
Reading git-format-patch failed