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staging: drm/imx: fix return value check in ipu_add_subdevice_pdata()
authorWei Yongjun <yongjun_wei@trendmicro.com.cn>
Wed, 30 Oct 2013 03:15:51 +0000 (11:15 +0800)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Wed, 30 Oct 2013 17:17:33 +0000 (10:17 -0700)
In case of error, the function platform_device_register_data() returns
ERR_PTR() and never returns NULL. The NULL test in the return value check
should be replaced with IS_ERR().

Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

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