[PATCH 4/9] ARM: dma-mapping: NULLify dev->archdata.mapping pointer on detach

[Hiroshi Doyu]

Hi Will,

Will Deacon <will.deacon at arm.com> wrote @ Mon, 10 Jun 2013 20:34:40 +0200:

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

True. This's my bad. Thanks.