[PATCH] windfarm_smu_sat.c: simplify around i2c_add_driver()

Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
Acked-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

drivers/macintosh/windfarm_smu_sat.c

@@ -397,12 +397,7 @@ static int wf_sat_detach(struct i2c_client *client)
 
 static int __init sat_sensors_init(void)
 {
-	int err;
-
-	err = i2c_add_driver(&wf_sat_driver);
-	if (err < 0)
-		return err;
-	return 0;
+	return i2c_add_driver(&wf_sat_driver);
 }
 
 static void __exit sat_sensors_exit(void)