slimbus: qcom-ngd: Add error handling in of_qcom_slim_ngd_register

No error handling is performed when platform_device_add()
return fails. Refer to the error handling of driver_set_override(),
add error handling for platform_device_add().

Fixes: 917809e228 ("slimbus: ngd: Add qcom SLIMBus NGD driver")
Reviewed-by: Neil Armstrong <neil.armstrong@linaro.org>
Signed-off-by: Lin Yujun <linyujun809@huawei.com>
Link: https://lore.kernel.org/r/20220914031953.94061-1-linyujun809@huawei.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Lin Yujun 2022-09-14 11:19:53 +08:00 committed by Greg Kroah-Hartman
parent bd1244561f
commit 42992cf187

View File

@ -1470,7 +1470,13 @@ static int of_qcom_slim_ngd_register(struct device *parent,
ngd->pdev->dev.of_node = node;
ctrl->ngd = ngd;
platform_device_add(ngd->pdev);
ret = platform_device_add(ngd->pdev);
if (ret) {
platform_device_put(ngd->pdev);
kfree(ngd);
of_node_put(node);
return ret;
}
ngd->base = ctrl->base + ngd->id * data->offset +
(ngd->id - 1) * data->size;