From dcab5fb7a5b0472e035da7dfe21168802c1b9d3b Mon Sep 17 00:00:00 2001 From: Arnd Bergmann Date: Thu, 18 May 2017 15:35:55 +0200 Subject: [PATCH] ALSA: pcm/oss: mark snd_pcm_plug_slave_format arg as const Only one of the two declarations has the const modifier in the argument list, so we get a warning when CONFIG_SND_PCM_OSS_PLUGINS is disabled: sound/core/oss/pcm_oss.c: In function 'snd_pcm_oss_change_params': sound/core/oss/pcm_oss.c:898:47: error: passing argument 2 of 'snd_pcm_plug_slave_format' discards 'const' qualifier from pointer target type [-Werror=discarded-qualifiers] This makes the two declarations match again. Fixes: e76bf3c4b4e4 ("ALSA: pcm/oss: refer to parameters instead of copying to reduce usage of kernel stack") Signed-off-by: Arnd Bergmann Reviewed-by: Takashi Sakamoto Signed-off-by: Takashi Iwai --- sound/core/oss/pcm_plugin.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/sound/core/oss/pcm_plugin.h b/sound/core/oss/pcm_plugin.h index 38e2c14cb893..73c068abaca5 100644 --- a/sound/core/oss/pcm_plugin.h +++ b/sound/core/oss/pcm_plugin.h @@ -172,7 +172,7 @@ snd_pcm_sframes_t snd_pcm_oss_readv3(struct snd_pcm_substream *substream, static inline snd_pcm_sframes_t snd_pcm_plug_client_size(struct snd_pcm_substream *handle, snd_pcm_uframes_t drv_size) { return drv_size; } static inline snd_pcm_sframes_t snd_pcm_plug_slave_size(struct snd_pcm_substream *handle, snd_pcm_uframes_t clt_size) { return clt_size; } -static inline int snd_pcm_plug_slave_format(int format, struct snd_mask *format_mask) { return format; } +static inline int snd_pcm_plug_slave_format(int format, const struct snd_mask *format_mask) { return format; } #endif -- 2.20.1