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staging: drm/imx: fix return value check in imx_drm_init() 

In case of error, the function platform_device_register_simple() 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>
Acked-by: Sascha Hauer <s.hauer@pengutronix.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Wei Yongjun 2013-10-25 17:07:18 +08:00 committed by Greg Kroah-Hartman
parent 95fd62a117
commit 2eaaccdeab
1 changed files with 2 additions and 2 deletions
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4
drivers/staging/imx-drm/imx-drm-core.c
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@ -852,8 +852,8 @@ static int __init imx_drm_init(void)
INIT_LIST_HEAD(&imx_drm_device->encoder_list);
imx_drm_pdev = platform_device_register_simple("imx-drm", -1, NULL, 0);
if (!imx_drm_pdev) {
ret = -EINVAL;
if (IS_ERR(imx_drm_pdev)) {
ret = PTR_ERR(imx_drm_pdev);
goto err_pdev;
}