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>

1 files changed, 1 insertions, 4 deletions

diff --git a/Documentation/i2c/writing-clients b/Documentation/i2c/writing-clients
index e62fbfa1282d..f7e04ec849b1 100644
--- a/Documentation/i2c/writing-clients
+++ b/Documentation/i2c/writing-clients
@@ -586,10 +586,7 @@ the driver module is usually enough.
   void foo_cleanup(void)
   {
     if (foo_initialized == 1) {
-      if ((res = i2c_del_driver(&foo_driver))) {
-        printk("foo: Driver registration failed, module not removed.\n");
-        return;
-      }
+      i2c_del_driver(&foo_driver);
       foo_initialized --;
     }
   }