linux-kernel - [PATCH v2 7/7] PCI: PM: Simplify acpi_pci_power

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Date:   Mon, 20 Sep 2021 21:17:39 +0200
From:   "Rafael J. Wysocki" <rjw@...ysocki.net>
To:     Linux PCI <linux-pci@...r.kernel.org>
Cc:     Linux ACPI <linux-acpi@...r.kernel.org>,
        LKML <linux-kernel@...r.kernel.org>,
        Bjorn Helgaas <helgaas@...nel.org>,
        Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
        Mika Westerberg <mika.westerberg@...ux.intel.com>
Subject: [PATCH v2 7/7] PCI: PM: Simplify acpi_pci_power_manageable()

From: Rafael J. Wysocki <rafael.j.wysocki@...el.com>

Make acpi_pci_power_manageable() more straightforward.

Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@...el.com>
---

New patch in v2.

---
 drivers/pci/pci-acpi.c |    4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

Index: linux-pm/drivers/pci/pci-acpi.c
===================================================================
--- linux-pm.orig/drivers/pci/pci-acpi.c
+++ linux-pm/drivers/pci/pci-acpi.c
@@ -969,9 +969,7 @@ bool acpi_pci_power_manageable(struct pc
 {
 	struct acpi_device *adev = ACPI_COMPANION(&dev->dev);
 
-	if (!adev)
-		return false;
-	return acpi_device_power_manageable(adev);
+	return adev && acpi_device_power_manageable(adev);
 }
 
 bool acpi_pci_bridge_d3(struct pci_dev *dev)