From: Daniel Kurtz <djkurtz@chromium.org>
Date: Wed, 7 Jan 2015 09:27:06 +0000 (+0800)
Subject: drm/rockchip: fix dma_alloc_attrs() error check
X-Git-Tag: omap-for-v4.1/prcm-dts-mfd-syscon-fix~75^2~27^2
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=4b9a90c0b374f8f7b3ceabe3c202424c98a6c5a4;p=pandora-kernel.git

drm/rockchip: fix dma_alloc_attrs() error check

dma_alloc_attrs() returns NULL if it cannot allocate a dma buffer (or
mapping), not a negative error code.

Rerported-by: Pawel Osciak <posciak@chromium.org>
Signed-off-by: Daniel Kurtz <djkurtz@chromium.org>
Signed-off-by: Mark Yao <mark.yao@rock-chips.com>
---

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