therm_pm72.c and windfarm_lm75_sensor.c both store the return from
i2c_add_driver() but do no further processing on the result.  Simply return
what i2c_add_driver() did, instead.
Signed-off-by: Arthur Othieno <a.othieno@bluewin.ch>
Acked-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
 
 static int fcu_of_probe(struct of_device* dev, const struct of_device_id *match)
 {
-       int rc;
-
        state = state_detached;
 
        /* Lookup the fans in the device tree */
        fcu_lookup_fans(dev->node);
 
        /* Add the driver */
-       rc = i2c_add_driver(&therm_pm72_driver);
-       if (rc < 0)
-               return rc;
-       return 0;
+       return i2c_add_driver(&therm_pm72_driver);
 }
 
 static int fcu_of_remove(struct of_device* dev)
 
 
 static int __init wf_lm75_sensor_init(void)
 {
-       int rc;
-
-       rc = i2c_add_driver(&wf_lm75_driver);
-       if (rc < 0)
-               return rc;
-       return 0;
+       return i2c_add_driver(&wf_lm75_driver);
 }
 
 static void __exit wf_lm75_sensor_exit(void)