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Date: Fri, 25 Oct 2013 17:07:18 +0800 From: Wei Yongjun <weiyj.lk@...il.com> To: gregkh@...uxfoundation.org, s.hauer@...gutronix.de, airlied@...hat.com, daniel.vetter@...ll.ch, p.zabel@...gutronix.de Cc: yongjun_wei@...ndmicro.com.cn, devel@...verdev.osuosl.org, linux-kernel@...r.kernel.org Subject: [PATCH] staging: drm/imx: fix return value check in imx_drm_init() From: Wei Yongjun <yongjun_wei@...ndmicro.com.cn> 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@...ndmicro.com.cn> --- drivers/staging/imx-drm/imx-drm-core.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/staging/imx-drm/imx-drm-core.c b/drivers/staging/imx-drm/imx-drm-core.c index a2e52a0..835a1b1 100644 --- a/drivers/staging/imx-drm/imx-drm-core.c +++ b/drivers/staging/imx-drm/imx-drm-core.c @@ -837,8 +837,8 @@ 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; } -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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