From: Arnd Bergmann <arnd@kernel.org> To: Jaroslav Kysela <perex@perex.cz>, Takashi Iwai <tiwai@suse.com> Cc: Arnd Bergmann <arnd@arndb.de>, alsa-devel@alsa-project.org, linux-kernel@vger.kernel.org Subject: [PATCH] ALSA: core: avoid -Wempty-body warnings Date: Mon, 22 Mar 2021 11:31:10 +0100 [thread overview] Message-ID: <20210322103128.547199-1-arnd@kernel.org> (raw) From: Arnd Bergmann <arnd@arndb.de> Building with 'make W=1' shows some warnings about empty function-style macros: sound/core/pcm_memory.c: In function 'preallocate_pages': sound/core/pcm_memory.c:236:49: error: suggest braces around empty body in an 'if' statement [-Werror=empty-body] 236 | preallocate_info_init(substream); sound/core/seq_device.c: In function 'snd_seq_device_dev_register': sound/core/seq_device.c:163:41: error: suggest braces around empty body in an 'if' statement [-Werror=empty-body] 163 | queue_autoload_drivers(); Change them to empty inline functions, which are more robust here. Signed-off-by: Arnd Bergmann <arnd@arndb.de> --- sound/core/oss/pcm_oss.c | 8 ++++++-- sound/core/pcm_memory.c | 4 +++- sound/core/seq_device.c | 15 ++++++++++++--- 3 files changed, 21 insertions(+), 6 deletions(-) diff --git a/sound/core/oss/pcm_oss.c b/sound/core/oss/pcm_oss.c index 142fc751a847..86c39ee01aaa 100644 --- a/sound/core/oss/pcm_oss.c +++ b/sound/core/oss/pcm_oss.c @@ -3069,8 +3069,12 @@ static void snd_pcm_oss_proc_done(struct snd_pcm *pcm) } } #else /* !CONFIG_SND_VERBOSE_PROCFS */ -#define snd_pcm_oss_proc_init(pcm) -#define snd_pcm_oss_proc_done(pcm) +static inline void snd_pcm_oss_proc_init(struct snd_pcm *pcm) +{ +} +static inline void snd_pcm_oss_proc_done(struct snd_pcm *pcm) +{ +} #endif /* CONFIG_SND_VERBOSE_PROCFS */ /* diff --git a/sound/core/pcm_memory.c b/sound/core/pcm_memory.c index 289dd1fd8fe7..c440f67b34a3 100644 --- a/sound/core/pcm_memory.c +++ b/sound/core/pcm_memory.c @@ -210,7 +210,9 @@ static inline void preallocate_info_init(struct snd_pcm_substream *substream) } #else /* !CONFIG_SND_VERBOSE_PROCFS */ -#define preallocate_info_init(s) +static inline void preallocate_info_init(struct snd_pcm_substream *substream) +{ +} #endif /* CONFIG_SND_VERBOSE_PROCFS */ /* diff --git a/sound/core/seq_device.c b/sound/core/seq_device.c index 7ed13cb32ef8..382275c5b193 100644 --- a/sound/core/seq_device.c +++ b/sound/core/seq_device.c @@ -133,10 +133,19 @@ void snd_seq_device_load_drivers(void) flush_work(&autoload_work); } EXPORT_SYMBOL(snd_seq_device_load_drivers); -#define cancel_autoload_drivers() cancel_work_sync(&autoload_work) + +static inline void cancel_autoload_drivers(void) +{ + cancel_work_sync(&autoload_work); +} #else -#define queue_autoload_drivers() /* NOP */ -#define cancel_autoload_drivers() /* NOP */ +static inline void queue_autoload_drivers(void) +{ +} + +static inline void cancel_autoload_drivers(void) +{ +} #endif /* -- 2.29.2
WARNING: multiple messages have this Message-ID (diff)
From: Arnd Bergmann <arnd@kernel.org> To: Jaroslav Kysela <perex@perex.cz>, Takashi Iwai <tiwai@suse.com> Cc: alsa-devel@alsa-project.org, linux-kernel@vger.kernel.org, Arnd Bergmann <arnd@arndb.de> Subject: [PATCH] ALSA: core: avoid -Wempty-body warnings Date: Mon, 22 Mar 2021 11:31:10 +0100 [thread overview] Message-ID: <20210322103128.547199-1-arnd@kernel.org> (raw) From: Arnd Bergmann <arnd@arndb.de> Building with 'make W=1' shows some warnings about empty function-style macros: sound/core/pcm_memory.c: In function 'preallocate_pages': sound/core/pcm_memory.c:236:49: error: suggest braces around empty body in an 'if' statement [-Werror=empty-body] 236 | preallocate_info_init(substream); sound/core/seq_device.c: In function 'snd_seq_device_dev_register': sound/core/seq_device.c:163:41: error: suggest braces around empty body in an 'if' statement [-Werror=empty-body] 163 | queue_autoload_drivers(); Change them to empty inline functions, which are more robust here. Signed-off-by: Arnd Bergmann <arnd@arndb.de> --- sound/core/oss/pcm_oss.c | 8 ++++++-- sound/core/pcm_memory.c | 4 +++- sound/core/seq_device.c | 15 ++++++++++++--- 3 files changed, 21 insertions(+), 6 deletions(-) diff --git a/sound/core/oss/pcm_oss.c b/sound/core/oss/pcm_oss.c index 142fc751a847..86c39ee01aaa 100644 --- a/sound/core/oss/pcm_oss.c +++ b/sound/core/oss/pcm_oss.c @@ -3069,8 +3069,12 @@ static void snd_pcm_oss_proc_done(struct snd_pcm *pcm) } } #else /* !CONFIG_SND_VERBOSE_PROCFS */ -#define snd_pcm_oss_proc_init(pcm) -#define snd_pcm_oss_proc_done(pcm) +static inline void snd_pcm_oss_proc_init(struct snd_pcm *pcm) +{ +} +static inline void snd_pcm_oss_proc_done(struct snd_pcm *pcm) +{ +} #endif /* CONFIG_SND_VERBOSE_PROCFS */ /* diff --git a/sound/core/pcm_memory.c b/sound/core/pcm_memory.c index 289dd1fd8fe7..c440f67b34a3 100644 --- a/sound/core/pcm_memory.c +++ b/sound/core/pcm_memory.c @@ -210,7 +210,9 @@ static inline void preallocate_info_init(struct snd_pcm_substream *substream) } #else /* !CONFIG_SND_VERBOSE_PROCFS */ -#define preallocate_info_init(s) +static inline void preallocate_info_init(struct snd_pcm_substream *substream) +{ +} #endif /* CONFIG_SND_VERBOSE_PROCFS */ /* diff --git a/sound/core/seq_device.c b/sound/core/seq_device.c index 7ed13cb32ef8..382275c5b193 100644 --- a/sound/core/seq_device.c +++ b/sound/core/seq_device.c @@ -133,10 +133,19 @@ void snd_seq_device_load_drivers(void) flush_work(&autoload_work); } EXPORT_SYMBOL(snd_seq_device_load_drivers); -#define cancel_autoload_drivers() cancel_work_sync(&autoload_work) + +static inline void cancel_autoload_drivers(void) +{ + cancel_work_sync(&autoload_work); +} #else -#define queue_autoload_drivers() /* NOP */ -#define cancel_autoload_drivers() /* NOP */ +static inline void queue_autoload_drivers(void) +{ +} + +static inline void cancel_autoload_drivers(void) +{ +} #endif /* -- 2.29.2
next reply other threads:[~2021-03-22 10:32 UTC|newest] Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top 2021-03-22 10:31 Arnd Bergmann [this message] 2021-03-22 10:31 ` [PATCH] ALSA: core: avoid -Wempty-body warnings Arnd Bergmann 2021-03-22 11:26 ` Takashi Iwai 2021-03-22 11:26 ` Takashi Iwai
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