linux-kernel - Re: [PATCH -tip] Documentation/connector/cn_test.c remove unused cn_test_want

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Message-Id: <1242805348.3260.52.camel@localhost.localdomain>
Date:	Wed, 20 May 2009 13:12:28 +0530
From:	Jaswinder Singh Rajput <jaswinder@...nel.org>
To:	Evgeniy Polyakov <zbr@...emap.net>
Cc:	Ingo Molnar <mingo@...e.hu>,
	Andrew Morton <akpm@...ux-foundation.org>,
	David Miller <davem@...emloft.net>,
	x86 maintainers <x86@...nel.org>,
	LKML <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH -tip] Documentation/connector/cn_test.c remove unused
 cn_test_want_notify()

On Wed, 2009-05-20 at 11:22 +0400, Evgeniy Polyakov wrote:
> On Wed, May 20, 2009 at 11:04:53AM +0530, Jaswinder Singh Rajput (jaswinder@...nel.org) wrote:
> > 
> > Currently cn_test_want_notify() is not having any user.
> 
> Do not remove it, disable with ifdef if you want, it is an example
> of how to get notifications about new connector user registration.
> 

[PATCH -tip] Documentation/connector/cn_test.c comment unused cn_test_want_notify()

Currently cn_test_want_notify() is not having any user.

So adding ifdef and comment which tells to not remove it.

Signed-off-by: Jaswinder Singh Rajput <jaswinderrajput@...il.com>
---
 Documentation/connector/cn_test.c |    7 +++++++
 1 files changed, 7 insertions(+), 0 deletions(-)

diff --git a/Documentation/connector/cn_test.c b/Documentation/connector/cn_test.c
index 6977c17..f688eba 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)
-- 
1.6.0.6



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