linux-kernel - [PATCH 2/2] media, rc: Use static inline functions to kill warnings

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Date:	Fri, 23 Sep 2011 17:19:07 +0300
From:	penberg@...helsinki.fi
To:	linux-kernel@...r.kernel.org
Cc:	Pekka Enberg <penberg@...nel.org>,
	Mauro Carvalho Chehab <mchehab@...radead.org>,
	David Härdeman <david@...deman.nu>,
	Jarod Wilson <jarod@...hat.com>, <linux-media@...r.kernel.org>
Subject: [PATCH 2/2] media, rc: Use static inline functions to kill warnings

From: Pekka Enberg <penberg@...nel.org>

This patch converts some ifdef'd wrapper functions from macros to static inline
functions to kill the following warnings issued by GCC:

    CC [M]  drivers/media/rc/ir-raw.o
  drivers/media/rc/ir-raw.c: In function ‘init_decoders’:
  drivers/media/rc/ir-raw.c:353:2: warning: statement with no effect [-Wunused-value]
  drivers/media/rc/ir-raw.c:354:2: warning: statement with no effect [-Wunused-value]
  drivers/media/rc/ir-raw.c:355:2: warning: statement with no effect [-Wunused-value]
  drivers/media/rc/ir-raw.c:356:2: warning: statement with no effect [-Wunused-value]
  drivers/media/rc/ir-raw.c:357:2: warning: statement with no effect [-Wunused-value]
  drivers/media/rc/ir-raw.c:359:2: warning: statement with no effect [-Wunused-value]

Cc: Mauro Carvalho Chehab <mchehab@...radead.org>
Cc: "David Härdeman" <david@...deman.nu>
Cc: Jarod Wilson <jarod@...hat.com>
Cc: <linux-media@...r.kernel.org>
Signed-off-by: Pekka Enberg <penberg@...nel.org>
---
 drivers/media/rc/rc-core-priv.h |   14 +++++++-------
 1 files changed, 7 insertions(+), 7 deletions(-)

diff --git a/drivers/media/rc/rc-core-priv.h b/drivers/media/rc/rc-core-priv.h
index 04c2c72..c6ca870 100644
--- a/drivers/media/rc/rc-core-priv.h
+++ b/drivers/media/rc/rc-core-priv.h
@@ -162,49 +162,49 @@ void ir_raw_init(void);
 #ifdef CONFIG_IR_NEC_DECODER_MODULE
 #define load_nec_decode()	request_module("ir-nec-decoder")
 #else
-#define load_nec_decode()	0
+static inline void load_nec_decode(void) { }
 #endif
 
 /* from ir-rc5-decoder.c */
 #ifdef CONFIG_IR_RC5_DECODER_MODULE
 #define load_rc5_decode()	request_module("ir-rc5-decoder")
 #else
-#define load_rc5_decode()	0
+static inline void load_rc5_decode(void) { }
 #endif
 
 /* from ir-rc6-decoder.c */
 #ifdef CONFIG_IR_RC6_DECODER_MODULE
 #define load_rc6_decode()	request_module("ir-rc6-decoder")
 #else
-#define load_rc6_decode()	0
+static inline void load_rc6_decode(void) { }
 #endif
 
 /* from ir-jvc-decoder.c */
 #ifdef CONFIG_IR_JVC_DECODER_MODULE
 #define load_jvc_decode()	request_module("ir-jvc-decoder")
 #else
-#define load_jvc_decode()	0
+static inline void load_jvc_decode(void) { }
 #endif
 
 /* from ir-sony-decoder.c */
 #ifdef CONFIG_IR_SONY_DECODER_MODULE
 #define load_sony_decode()	request_module("ir-sony-decoder")
 #else
-#define load_sony_decode()	0
+static inline void load_sony_decode(void) { }
 #endif
 
 /* from ir-mce_kbd-decoder.c */
 #ifdef CONFIG_IR_MCE_KBD_DECODER_MODULE
 #define load_mce_kbd_decode()	request_module("ir-mce_kbd-decoder")
 #else
-#define load_mce_kbd_decode()	0
+static inline void load_mce_kbd_decode(void) { }
 #endif
 
 /* from ir-lirc-codec.c */
 #ifdef CONFIG_IR_LIRC_CODEC_MODULE
 #define load_lirc_codec()	request_module("ir-lirc-codec")
 #else
-#define load_lirc_codec()	0
+static inline void load_lirc_codec(void) { }
 #endif
 
 
-- 
1.7.6.2

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