linux-kernel - [PATCH 2/11] ACPI / hotplug / PCI: Simplify register

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Message-ID: <7524438.fFikVHOtly@vostro.rjw.lan>
Date:	Mon, 27 Jan 2014 01:38:47 +0100
From:	"Rafael J. Wysocki" <rjw@...ysocki.net>
To:	ACPI Devel Maling List <linux-acpi@...r.kernel.org>
Cc:	Bjorn Helgaas <bhelgaas@...gle.com>, Aaron Lu <aaron.lu@...el.com>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Linux PCI <linux-pci@...r.kernel.org>,
	Mika Westerberg <mika.westerberg@...ux.intel.com>
Subject: [PATCH 2/11] ACPI / hotplug / PCI: Simplify register_slot()

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

The err label in register_slot() is only jumped to from one place,
so move the code under the label to that place and drop the label.

Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@...el.com>
---
 drivers/pci/hotplug/acpiphp_glue.c |   12 ++++--------
 1 file changed, 4 insertions(+), 8 deletions(-)

Index: linux-pm/drivers/pci/hotplug/acpiphp_glue.c
===================================================================
--- linux-pm.orig/drivers/pci/hotplug/acpiphp_glue.c
+++ linux-pm/drivers/pci/hotplug/acpiphp_glue.c
@@ -316,8 +316,10 @@ static acpi_status register_slot(acpi_ha
 
 	slot = kzalloc(sizeof(struct acpiphp_slot), GFP_KERNEL);
 	if (!slot) {
-		status = AE_NO_MEMORY;
-		goto err;
+		mutex_lock(&acpiphp_context_lock);
+		acpiphp_put_context(context);
+		mutex_unlock(&acpiphp_context_lock);
+		return AE_NO_MEMORY;
 	}
 
 	slot->bus = bridge->pci_bus;
@@ -385,12 +387,6 @@ static acpi_status register_slot(acpi_ha
 	}
 
 	return AE_OK;
-
- err:
-	mutex_lock(&acpiphp_context_lock);
-	acpiphp_put_context(context);
-	mutex_unlock(&acpiphp_context_lock);
-	return status;
 }
 
 static struct acpiphp_bridge *acpiphp_handle_to_bridge(acpi_handle handle)

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