Documentation/connector/cn_test.c comment unused cn_test_want_notify()

Currently cn_test_want_notify() has no user.

So add an ifdef and a comment which tells us to not remove it.

Signed-off-by: Jaswinder Singh Rajput <jaswinderrajput@gmail.com>
Acked-by: Evgeniy Polyakov <zbr@ioremap.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

1 files changed, 7 insertions, 0 deletions

diff --git a/Documentation/connector/cn_test.c b/Documentation/connector/cn_test.c
index 6977c178729..f688eba8770 100644
--- a/Documentation/connector/cn_test.c
+++ b/Documentation/connector/cn_test.c
@@ -41,6 +41,12 @@ void cn_test_callback(void *data)
                msg->seq, msg->ack, msg->len, (char *)msg->data);
 }
 
+/*
+ * Do not remove this function even if no one is using it as
+ * this is an example of how to get notifications about new
+ * connector user registration
+ */
+#if 0
 static int cn_test_want_notify(void)
 {
         struct cn_ctl_msg *ctl;
@@ -117,6 +123,7 @@ nlmsg_failure:
         kfree_skb(skb);
         return -EINVAL;
 }
+#endif
 
 static u32 cn_test_timer_counter;
 static void cn_test_timer_func(unsigned long __data)