[PATCH] fix return codes after i2c_add_driver() in tea6415c and tea6420

In two of my i2c helper drivers the return value of i2c_add_driver() is
ignored.  Thanks to Arthur Othieno for finding these bugs.
Signed-off-by: Arthur Othieno <a.othieno@bluewin.ch>
Signed-off-by: Michael Hunold <hunold@linuxtv.org>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

drivers/media/video/tea6415c.c

@@ -217,13 +217,12 @@ static struct i2c_driver driver = {
         .command	= tea6415c_command,
 };
 
-static int tea6415c_init_module(void)
+static int __init tea6415c_init_module(void)
 {
-	i2c_add_driver(&driver);
-	return 0;
+	return i2c_add_driver(&driver);
 }
 
-static void tea6415c_cleanup_module(void)
+static void __exit tea6415c_cleanup_module(void)
 {
         i2c_del_driver(&driver);
 }

drivers/media/video/tea6420.c

@@ -197,13 +197,12 @@ static struct i2c_driver driver = {
         .command	= tea6420_command,
 };
 
-static int tea6420_init_module(void)
+static int __init tea6420_init_module(void)
 {
-	i2c_add_driver(&driver);
-	return 0;
+	return i2c_add_driver(&driver);
 }
 
-static void tea6420_cleanup_module(void)
+static void __exit tea6420_cleanup_module(void)
 {
         i2c_del_driver(&driver);
 }