Handle errors immediately in eeepc_register_rfkill_notifier and eeepc_unregister_rfkill_notifier. This clears up the control flow for the reader. It also removes unnecessary indentation.
Signed-off-by: Frans Klaver <[email protected]> --- This depends on the earlier eeepc cleanup series [1] to apply cleanly. [1] https://lkml.org/lkml/2014/9/17/654 drivers/platform/x86/eeepc-laptop.c | 57 ++++++++++++++++++------------------- 1 file changed, 28 insertions(+), 29 deletions(-) diff --git a/drivers/platform/x86/eeepc-laptop.c b/drivers/platform/x86/eeepc-laptop.c index 3f6c762..db79902 100644 --- a/drivers/platform/x86/eeepc-laptop.c +++ b/drivers/platform/x86/eeepc-laptop.c @@ -668,23 +668,21 @@ static int eeepc_register_rfkill_notifier(struct eeepc_laptop *eeepc, status = acpi_get_handle(NULL, node, &handle); - if (ACPI_SUCCESS(status)) { - status = acpi_install_notify_handler(handle, - ACPI_SYSTEM_NOTIFY, - eeepc_rfkill_notify, - eeepc); - if (ACPI_FAILURE(status)) - pr_warn("Failed to register notify on %s\n", node); - - /* - * Refresh pci hotplug in case the rfkill state was - * changed during setup. - */ - eeepc_rfkill_hotplug(eeepc, handle); - } else { + if (ACPI_FAILURE(status)) return -ENODEV; - } + status = acpi_install_notify_handler(handle, + ACPI_SYSTEM_NOTIFY, + eeepc_rfkill_notify, + eeepc); + if (ACPI_FAILURE(status)) + pr_warn("Failed to register notify on %s\n", node); + + /* + * Refresh pci hotplug in case the rfkill state was + * changed during setup. + */ + eeepc_rfkill_hotplug(eeepc, handle); return 0; } @@ -696,20 +694,21 @@ static void eeepc_unregister_rfkill_notifier(struct eeepc_laptop *eeepc, status = acpi_get_handle(NULL, node, &handle); - if (ACPI_SUCCESS(status)) { - status = acpi_remove_notify_handler(handle, - ACPI_SYSTEM_NOTIFY, - eeepc_rfkill_notify); - if (ACPI_FAILURE(status)) - pr_err("Error removing rfkill notify handler %s\n", - node); - /* - * Refresh pci hotplug in case the rfkill - * state was changed after - * eeepc_unregister_rfkill_notifier() - */ - eeepc_rfkill_hotplug(eeepc, handle); - } + if (ACPI_FAILURE(status)) + return; + + status = acpi_remove_notify_handler(handle, + ACPI_SYSTEM_NOTIFY, + eeepc_rfkill_notify); + if (ACPI_FAILURE(status)) + pr_err("Error removing rfkill notify handler %s\n", + node); + /* + * Refresh pci hotplug in case the rfkill + * state was changed after + * eeepc_unregister_rfkill_notifier() + */ + eeepc_rfkill_hotplug(eeepc, handle); } static int eeepc_get_adapter_status(struct hotplug_slot *hotplug_slot, -- 2.1.0 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
