From ed5d6ca0038f274aada1244358ad89b7941bdcbf Mon Sep 17 00:00:00 2001 From: Wei Yongjun <yongjun_wei@trendmicro.com.cn> Date: Wed, 30 Oct 2013 11:15:51 +0800 Subject: [PATCH] staging: drm/imx: fix return value check in ipu_add_subdevice_pdata() 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> --- drivers/staging/imx-drm/ipu-v3/ipu-common.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/staging/imx-drm/ipu-v3/ipu-common.c b/drivers/staging/imx-drm/ipu-v3/ipu-common.c index 77a0c65a3dbe6..7a22ce619ed26 100644 --- a/drivers/staging/imx-drm/ipu-v3/ipu-common.c +++ b/drivers/staging/imx-drm/ipu-v3/ipu-common.c @@ -1006,7 +1006,7 @@ static int ipu_add_subdevice_pdata(struct device *dev, pdev = platform_device_register_data(dev, reg->name, ipu_client_id++, ®->pdata, sizeof(struct ipu_platform_reg)); - return pdev ? 0 : -EINVAL; + return PTR_ERR_OR_ZERO(pdev); } static int ipu_add_client_devices(struct ipu_soc *ipu) -- 2.30.2