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drm/rcar-du: fix return value check in rcar_du_lvdsenc_get_resources()
authorWei Yongjun <yongjun_wei@trendmicro.com.cn>
Fri, 23 Aug 2013 02:21:21 +0000 (10:21 +0800)
committerLaurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Mon, 2 Dec 2013 00:27:24 +0000 (01:27 +0100)
In case of error, the function devm_ioremap_resource() returns ERR_PTR()
and never returns NULL. The NULL test in the return value check should be
replaced with IS_ERR(). Also remove the dev_err call to avoid redundant
error message.

Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>

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