Messages in this thread Patch in this message | | | From | Gavin Shan <> | Subject | [PATCH v5 04/13] firmware: arm_sdei: Avoid nested statements in sdei_init() | Date | Tue, 22 Sep 2020 23:04:14 +1000 |
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In sdei_init(), the nested statements can be avoided by bailing on error from platform_driver_register() or absent ACPI SDEI table. With it, the code looks a bit more readable.
Signed-off-by: Gavin Shan <gshan@redhat.com> Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com> Reviewed-by: James Morse <james.morse@arm.com> --- drivers/firmware/arm_sdei.c | 23 ++++++++++++----------- 1 file changed, 12 insertions(+), 11 deletions(-)
diff --git a/drivers/firmware/arm_sdei.c b/drivers/firmware/arm_sdei.c index 0f49fff20cc7..1fa4e577b78e 100644 --- a/drivers/firmware/arm_sdei.c +++ b/drivers/firmware/arm_sdei.c @@ -1081,17 +1081,18 @@ static bool __init sdei_present_acpi(void) static int __init sdei_init(void) { - int ret = platform_driver_register(&sdei_driver); - - if (!ret && sdei_present_acpi()) { - struct platform_device *pdev; - - pdev = platform_device_register_simple(sdei_driver.driver.name, - 0, NULL, 0); - if (IS_ERR(pdev)) - pr_info("Failed to register ACPI:SDEI platform device %ld\n", - PTR_ERR(pdev)); - } + struct platform_device *pdev; + int ret; + + ret = platform_driver_register(&sdei_driver); + if (ret || !sdei_present_acpi()) + return ret; + + pdev = platform_device_register_simple(sdei_driver.driver.name, + 0, NULL, 0); + if (IS_ERR(pdev)) + pr_info("Failed to register ACPI:SDEI platform device %ld\n", + PTR_ERR(pdev)); return ret; } -- 2.23.0
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