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slimbus: qcom: Fix return value check in qcom_slim_probe()

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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().

Signed-off-by: Wei Yongjun <weiyongjun1@huawei.com>
Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Wei Yongjun 2018-01-02 17:54:24 +00:00 committed by Greg Kroah-Hartman
parent f8d2c8ea57
commit ff595a3348
1 changed files with 2 additions and 2 deletions
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4
drivers/slimbus/qcom-ctrl.c
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@ -529,9 +529,9 @@ static int qcom_slim_probe(struct platform_device *pdev)
slim_mem = platform_get_resource_byname(pdev, IORESOURCE_MEM, "ctrl");
ctrl->base = devm_ioremap_resource(ctrl->dev, slim_mem);
if (!ctrl->base) {
if (IS_ERR(ctrl->base)) {
dev_err(&pdev->dev, "IOremap failed\n");
return -ENOMEM;
return PTR_ERR(ctrl->base);
}
sctrl->set_laddr = qcom_set_laddr;