linux-kernel - [PATCH] connector: hide unused procfs helpers

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Message-ID: <20180713071141.15996-1-yuehaibing@huawei.com>
Date:   Fri, 13 Jul 2018 15:11:41 +0800
From:   YueHaibing <yuehaibing@...wei.com>
To:     <zbr@...emap.net>
CC:     <linux-kernel@...r.kernel.org>, <netdev@...r.kernel.org>,
        YueHaibing <yuehaibing@...wei.com>
Subject: [PATCH] connector: hide unused procfs helpers

When CONFIG_PROC_FS isn't set, gcc warning this:

drivers/connector/connector.c:242:12: warning: ‘cn_proc_show’ defined but not used [-Wunused-function]
 static int cn_proc_show(struct seq_file *m, void *v)
            ^
fix this by adding #ifdef around it.

Signed-off-by: YueHaibing <yuehaibing@...wei.com>
---
 drivers/connector/connector.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/connector/connector.c b/drivers/connector/connector.c
index e718b8c..e2636d4 100644
--- a/drivers/connector/connector.c
+++ b/drivers/connector/connector.c
@@ -239,6 +239,7 @@ void cn_del_callback(struct cb_id *id)
 }
 EXPORT_SYMBOL_GPL(cn_del_callback);
 
+#ifdef CONFIG_PROC_FS
 static int cn_proc_show(struct seq_file *m, void *v)
 {
 	struct cn_queue_dev *dev = cdev.cbdev;
@@ -259,6 +260,7 @@ static int cn_proc_show(struct seq_file *m, void *v)
 
 	return 0;
 }
+#endif
 
 static struct cn_dev cdev = {
 	.input   = cn_rx_skb,
-- 
2.7.0