linux-kernel - [PATCH v2 4/9] ACPI, DOCK: simplify implementation of dock_create_acpi

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Message-Id: <1372264261-17442-5-git-send-email-liuj97@gmail.com>
Date:	Thu, 27 Jun 2013 00:30:56 +0800
From:	Jiang Liu <liuj97@...il.com>
To:	"Rafael J . Wysocki" <rjw@...k.pl>
Cc:	liuj97@...il.com, Jiang Liu <jiang.liu@...wei.com>,
	Yijing Wang <wangyijing@...wei.com>,
	linux-acpi@...r.kernel.org, linux-kernel@...r.kernel.org,
	Len Brown <lenb@...nel.org>
Subject: [PATCH v2 4/9] ACPI, DOCK: simplify implementation of dock_create_acpi_device()

From: Jiang Liu <jiang.liu@...wei.com>

The return value of dock_create_acpi_device() is not used at all,
so change the signature to return void and simplify implementation.

Signed-off-by: Jiang Liu <jiang.liu@...wei.com>
Cc: Len Brown <lenb@...nel.org>
Cc: "Rafael J. Wysocki" <rjw@...k.pl>
Cc: linux-acpi@...r.kernel.org
Cc: linux-kernel@...r.kernel.org
---
 drivers/acpi/dock.c | 7 +------
 1 file changed, 1 insertion(+), 6 deletions(-)

diff --git a/drivers/acpi/dock.c b/drivers/acpi/dock.c
index 8c4214d..22183c4 100644
--- a/drivers/acpi/dock.c
+++ b/drivers/acpi/dock.c
@@ -351,10 +351,8 @@ static int dock_present(struct dock_station *ds)
  *  handle if one does not exist already.  This should cause
  *  acpi to scan for drivers for the given devices, and call
  *  matching driver's add routine.
- *
- *  Returns a pointer to the acpi_device corresponding to the handle.
  */
-static struct acpi_device * dock_create_acpi_device(acpi_handle handle)
+static void dock_create_acpi_device(acpi_handle handle)
 {
 	struct acpi_device *device;
 	int ret;
@@ -367,10 +365,7 @@ static struct acpi_device * dock_create_acpi_device(acpi_handle handle)
 		ret = acpi_bus_scan(handle);
 		if (ret)
 			pr_debug("error adding bus, %x\n", -ret);
-
-		acpi_bus_get_device(handle, &device);
 	}
-	return device;
 }
 
 /**
-- 
1.8.1.2

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