i2c: Drop dummy variable

Now that bus_for_each_drv() is no longer __must_check, we can drop the
dummy variable that was used to store the returned value.

Signed-off-by: Jean Delvare <khali@linux-fr.org>
Cc: Justin P. Mattock <justinmattock@gmail.com>

diff --git a/drivers/i2c/i2c-core.c b/drivers/i2c/i2c-core.c
index e09e143..bb02f8e 100644 (file)
--- a/drivers/i2c/i2c-core.c
+++ b/drivers/i2c/i2c-core.c
@@ -789,7 +789,7 @@ static int __process_new_adapter(struct device_driver *d, void *data)
 
 static int i2c_register_adapter(struct i2c_adapter *adap)
 {
-       int res = 0, dummy;
+       int res = 0;
 
        /* Can't register until after driver model init */
        if (unlikely(WARN_ON(!i2c_bus_type.p))) {
@@ -830,8 +830,7 @@ static int i2c_register_adapter(struct i2c_adapter *adap)
 
        /* Notify drivers */
        mutex_lock(&core_lock);
-       dummy = bus_for_each_drv(&i2c_bus_type, NULL, adap,
-                                __process_new_adapter);
+       bus_for_each_drv(&i2c_bus_type, NULL, adap, __process_new_adapter);
        mutex_unlock(&core_lock);
 
        return 0;