linux-kernel - [PATCH 08/10] Driver core: device_add

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Date:	Fri, 16 Feb 2007 15:37:34 -0800
From:	Greg Kroah-Hartman <gregkh@...e.de>
To:	linux-kernel@...r.kernel.org
Cc:	Andrew Morton <akpm@...ux-foundation.org>,
	Greg Kroah-Hartman <gregkh@...e.de>
Subject: [PATCH 08/10] Driver core: device_add_attrs() cleanup

From: Andrew Morton <akpm@...ux-foundation.org>

Clean up the coding in device_add_attrs() a bit.

Cc: Jean Delvare <khali@...ux-fr.org>
Signed-off-by: Andrew Morton <akpm@...ux-foundation.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@...e.de>
---
 drivers/base/bus.c |   22 ++++++++++------------
 1 files changed, 10 insertions(+), 12 deletions(-)

diff --git a/drivers/base/bus.c b/drivers/base/bus.c
index 472810f..253868e 100644
--- a/drivers/base/bus.c
+++ b/drivers/base/bus.c
@@ -324,27 +324,25 @@ int bus_for_each_drv(struct bus_type * bus, struct device_driver * start,
 	return error;
 }
 
-static int device_add_attrs(struct bus_type * bus, struct device * dev)
+static int device_add_attrs(struct bus_type *bus, struct device *dev)
 {
 	int error = 0;
 	int i;
 
-	if (bus->dev_attrs) {
-		for (i = 0; attr_name(bus->dev_attrs[i]); i++) {
-			error = device_create_file(dev,&bus->dev_attrs[i]);
-			if (error)
-				goto Err;
+	if (!bus->dev_attrs)
+		return 0;
+
+	for (i = 0; attr_name(bus->dev_attrs[i]); i++) {
+		error = device_create_file(dev,&bus->dev_attrs[i]);
+		if (error) {
+			while (--i >= 0)
+				device_remove_file(dev, &bus->dev_attrs[i]);
+			break;
 		}
 	}
- Done:
 	return error;
- Err:
-	while (--i >= 0)
-		device_remove_file(dev,&bus->dev_attrs[i]);
-	goto Done;
 }
 
-
 static void device_remove_attrs(struct bus_type * bus, struct device * dev)
 {
 	int i;
-- 
1.5.0

-
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