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Message-ID: <20061017062449.GA13100@localhost>
Date: Tue, 17 Oct 2006 15:24:49 +0900
From: Akinobu Mita <akinobu.mita@...il.com>
To: linux-kernel@...r.kernel.org
Cc: Greg Kroah-Hartman <gregkh@...e.de>,
Jean Delvare <khali@...ux-fr.org>
Subject: [PATCH] i2c: Fix return value check
class_device_create() returns error code as pointer on failure.
This patch checks the return value of class_device_create() by using IS_ERR().
Cc: Greg Kroah-Hartman <gregkh@...e.de>
Cc: Jean Delvare <khali@...ux-fr.org>
Signed-off-by: Akinbou Mita <akinobu.mita@...il.com>
drivers/i2c/i2c-dev.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
Index: 2.6-rc/drivers/i2c/i2c-dev.c
===================================================================
--- 2.6-rc.orig/drivers/i2c/i2c-dev.c
+++ 2.6-rc/drivers/i2c/i2c-dev.c
@@ -417,8 +417,8 @@ static int i2cdev_attach_adapter(struct
MKDEV(I2C_MAJOR, adap->nr),
&adap->dev, "i2c-%d",
adap->nr);
- if (!i2c_dev->class_dev) {
- res = -ENODEV;
+ if (IS_ERR(i2c_dev->class_dev)) {
+ res = PTR_ERR(i2c_dev->class_dev);
goto error;
}
res = class_device_create_file(i2c_dev->class_dev, &class_device_attr_name);
-
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