i2c-dev: Drop the client template

i2c-dev: Drop the client template

Drop the i2c-dev client template. This saves about 360 bytes of
memory. I got the idea from a similar cleanup Hans-Frieder Vogt
made to i2c-nforce2 recently.

Signed-off-by: Jean Delvare <khali@linux-fr.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

diff --git a/drivers/i2c/i2c-dev.c b/drivers/i2c/i2c-dev.c
index 206e805..2ce0833 100644 (file)
--- a/drivers/i2c/i2c-dev.c
+++ b/drivers/i2c/i2c-dev.c
@@ -37,7 +37,7 @@
 #include <linux/i2c-dev.h>
 #include <asm/uaccess.h>
 
-static struct i2c_client i2cdev_client_template;
+static struct i2c_driver i2cdev_driver;
 
 struct i2c_dev {
        struct list_head list;
@@ -365,12 +365,13 @@ static int i2cdev_open(struct inode *inode, struct file *file)
        if (!adap)
                return -ENODEV;
 
-       client = kmalloc(sizeof(*client), GFP_KERNEL);
+       client = kzalloc(sizeof(*client), GFP_KERNEL);
        if (!client) {
                i2c_put_adapter(adap);
                return -ENOMEM;
        }
-       memcpy(client, &i2cdev_client_template, sizeof(*client));
+       snprintf(client->name, I2C_NAME_SIZE, "i2c-dev %d", adap->nr);
+       client->driver = &i2cdev_driver;
 
        /* registered with adapter, passed as client to user */
        client->adapter = adap;
@@ -459,12 +460,6 @@ static struct i2c_driver i2cdev_driver = {
        .detach_client  = i2cdev_detach_client,
 };
 
-static struct i2c_client i2cdev_client_template = {
-       .name           = "I2C /dev entry",
-       .addr           = -1,
-       .driver         = &i2cdev_driver,
-};
-
 static int __init i2c_dev_init(void)
 {
        int res;