diff options
Diffstat (limited to 'sound/core/pcm_memory.c')
-rw-r--r-- | sound/core/pcm_memory.c | 39 |
1 files changed, 24 insertions, 15 deletions
diff --git a/sound/core/pcm_memory.c b/sound/core/pcm_memory.c index d37bcb761884..a0119ae67dcd 100644 --- a/sound/core/pcm_memory.c +++ b/sound/core/pcm_memory.c @@ -100,10 +100,8 @@ static void snd_pcm_lib_preallocate_dma_free(struct snd_pcm_substream *substream int snd_pcm_lib_preallocate_free(struct snd_pcm_substream *substream) { snd_pcm_lib_preallocate_dma_free(substream); - if (substream->proc_prealloc_entry) { - snd_info_unregister(substream->proc_prealloc_entry); - substream->proc_prealloc_entry = NULL; - } + snd_info_unregister(substream->proc_prealloc_entry); + substream->proc_prealloc_entry = NULL; return 0; } @@ -126,6 +124,7 @@ int snd_pcm_lib_preallocate_free_for_all(struct snd_pcm *pcm) return 0; } +#ifdef CONFIG_PROC_FS /* * read callback for prealloc proc file * @@ -185,20 +184,10 @@ static void snd_pcm_lib_preallocate_proc_write(struct snd_info_entry *entry, } } -/* - * pre-allocate the buffer and create a proc file for the substream - */ -static int snd_pcm_lib_preallocate_pages1(struct snd_pcm_substream *substream, - size_t size, size_t max) +static inline void preallocate_info_init(struct snd_pcm_substream *substream) { struct snd_info_entry *entry; - if (size > 0 && preallocate_dma && substream->number < maximum_substreams) - preallocate_pcm_pages(substream, size); - - if (substream->dma_buffer.bytes > 0) - substream->buffer_bytes_max = substream->dma_buffer.bytes; - substream->dma_max = max; if ((entry = snd_info_create_card_entry(substream->pcm->card, "prealloc", substream->proc_root)) != NULL) { entry->c.text.read_size = 64; entry->c.text.read = snd_pcm_lib_preallocate_proc_read; @@ -212,6 +201,26 @@ static int snd_pcm_lib_preallocate_pages1(struct snd_pcm_substream *substream, } } substream->proc_prealloc_entry = entry; +} + +#else /* !CONFIG_PROC_FS */ +#define preallocate_info_init(s) +#endif + +/* + * pre-allocate the buffer and create a proc file for the substream + */ +static int snd_pcm_lib_preallocate_pages1(struct snd_pcm_substream *substream, + size_t size, size_t max) +{ + + if (size > 0 && preallocate_dma && substream->number < maximum_substreams) + preallocate_pcm_pages(substream, size); + + if (substream->dma_buffer.bytes > 0) + substream->buffer_bytes_max = substream->dma_buffer.bytes; + substream->dma_max = max; + preallocate_info_init(substream); return 0; } |