i2c: Make i2c_del_driver a void function
Make i2c_del_driver a void function, like all other driver removal
functions. It always returned 0 even when errors occured, and nobody
ever actually checked the return value anyway. And we cannot fail
a module removal anyway.
Signed-off-by: Jean Delvare <khali@linux-fr.org>
diff --git a/drivers/i2c/i2c-core.c b/drivers/i2c/i2c-core.c
index 0fd4acb..a58f89a 100644
--- a/drivers/i2c/i2c-core.c
+++ b/drivers/i2c/i2c-core.c
@@ -599,14 +599,12 @@
* i2c_del_driver - unregister I2C driver
* @driver: the driver being unregistered
*/
-int i2c_del_driver(struct i2c_driver *driver)
+void i2c_del_driver(struct i2c_driver *driver)
{
struct list_head *item1, *item2, *_n;
struct i2c_client *client;
struct i2c_adapter *adap;
- int res = 0;
-
mutex_lock(&core_lists);
/* new-style driver? */
@@ -620,11 +618,10 @@
list_for_each(item1,&adapters) {
adap = list_entry(item1, struct i2c_adapter, list);
if (driver->detach_adapter) {
- if ((res = driver->detach_adapter(adap))) {
+ if (driver->detach_adapter(adap)) {
dev_err(&adap->dev, "detach_adapter failed "
"for driver [%s]\n",
driver->driver.name);
- goto out_unlock;
}
} else {
list_for_each_safe(item2, _n, &adap->clients) {
@@ -634,12 +631,11 @@
dev_dbg(&adap->dev, "detaching client [%s] "
"at 0x%02x\n", client->name,
client->addr);
- if ((res = driver->detach_client(client))) {
+ if (driver->detach_client(client)) {
dev_err(&adap->dev, "detach_client "
"failed for client [%s] at "
"0x%02x\n", client->name,
client->addr);
- goto out_unlock;
}
}
}
@@ -650,9 +646,7 @@
list_del(&driver->list);
pr_debug("i2c-core: driver [%s] unregistered\n", driver->driver.name);
- out_unlock:
mutex_unlock(&core_lists);
- return 0;
}
EXPORT_SYMBOL(i2c_del_driver);