linux-kernel - [PATCH 3.2 114/147] gigaset: silence GCC warning for unused 'format

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Date:   Mon, 06 Nov 2017 23:03:07 +0000
From:   Ben Hutchings <ben@...adent.org.uk>
To:     linux-kernel@...r.kernel.org, stable@...r.kernel.org
CC:     akpm@...ux-foundation.org, "Paul Bolle" <pebolle@...cali.nl>,
        "David S. Miller" <davem@...emloft.net>
Subject: [PATCH 3.2 114/147] gigaset: silence GCC warning for unused
 'format_ie'

3.2.95-rc1 review patch.  If anyone has any objections, please let me know.

------------------

From: Paul Bolle <pebolle@...cali.nl>

commit 6ba6047bf99cf4ade4f63b6b3d97cc3ad763b678 upstream.

Building Gigaset's CAPI support without Gigaset's debugging enabled
triggers this GCC warning:
    'format_ie' defined but not used [-Wunused-function]

Silence this warning by wrapping format_ie() in an "#ifdef
CONFIG_GIGASET_DEBUG" and "#endif" pair.

Signed-off-by: Paul Bolle <pebolle@...cali.nl>
Signed-off-by: David S. Miller <davem@...emloft.net>
Signed-off-by: Ben Hutchings <ben@...adent.org.uk>
---
 drivers/isdn/gigaset/capi.c | 2 ++
 1 file changed, 2 insertions(+)

--- a/drivers/isdn/gigaset/capi.c
+++ b/drivers/isdn/gigaset/capi.c
@@ -306,6 +306,7 @@ static inline void dump_rawmsg(enum debu
  * format CAPI IE as string
  */
 
+#ifdef CONFIG_GIGASET_DEBUG
 static const char *format_ie(const char *ie)
 {
 	static char result[3*MAX_FMT_IE_LEN];
@@ -331,6 +332,7 @@ static const char *format_ie(const char
 	*--pout = 0;
 	return result;
 }
+#endif
 
 /*
  * emit DATA_B3_CONF message