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| author |   Takashi Iwai <tiwai@suse.de> | 2006-04-28 15:13:41 +0200 |
|---|---|---|
| committer |   Jaroslav Kysela <perex@suse.cz> | 2006-06-22 21:33:14 +0200 |
| commit | 9c323fcbc51493f79f9700cb20830d0857c72d99 (patch) | |
| tree | 17e17046c0642f918b9516de8d9517914cabd0ad /sound/core/pcm_native.c | |
| parent | [ALSA] Add O_APPEND flag support to PCM (diff) | |
| download | linux-dev-9c323fcbc51493f79f9700cb20830d0857c72d99.tar.xz linux-dev-9c323fcbc51493f79f9700cb20830d0857c72d99.zip | |
[ALSA] Fix mmap_count with O_APPEND opened streams
Move mmap_count to snd_pcm_substream instead of runtime struct
so that multiplly opened substreams via O_APPEND can be handled
correctly.
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Diffstat (limited to '')
| -rw-r--r-- | sound/core/pcm_native.c | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/sound/core/pcm_native.c b/sound/core/pcm_native.c index 36d6765618a4..a998f88e3f30 100644 --- a/sound/core/pcm_native.c +++ b/sound/core/pcm_native.c @@ -372,7 +372,7 @@ static int snd_pcm_hw_params(struct snd_pcm_substream *substream, #if defined(CONFIG_SND_PCM_OSS) || defined(CONFIG_SND_PCM_OSS_MODULE) if (!substream->oss.oss) #endif - if (atomic_read(&runtime->mmap_count)) + if (atomic_read(&substream->mmap_count)) return -EBADFD; params->rmask = ~0U; @@ -485,7 +485,7 @@ static int snd_pcm_hw_free(struct snd_pcm_substream *substream) return -EBADFD; } snd_pcm_stream_unlock_irq(substream); - if (atomic_read(&runtime->mmap_count)) + if (atomic_read(&substream->mmap_count)) return -EBADFD; if (substream->ops->hw_free) result = substream->ops->hw_free(substream); @@ -2207,7 +2207,7 @@ static int snd_pcm_release(struct inode *inode, struct file *file) pcm_file = file->private_data; substream = pcm_file->substream; snd_assert(substream != NULL, return -ENXIO); - snd_assert(!atomic_read(&substream->runtime->mmap_count), ); + snd_assert(!atomic_read(&substream->mmap_count), ); pcm = substream->pcm; fasync_helper(-1, file, 0, &substream->runtime->fasync); mutex_lock(&pcm->open_mutex); @@ -3178,7 +3178,7 @@ static int snd_pcm_default_mmap(struct snd_pcm_substream *substream, area->vm_ops = &snd_pcm_vm_ops_data; area->vm_private_data = substream; area->vm_flags |= VM_RESERVED; - atomic_inc(&substream->runtime->mmap_count); + atomic_inc(&substream->mmap_count); return 0; } @@ -3210,7 +3210,7 @@ int snd_pcm_lib_mmap_iomem(struct snd_pcm_substream *substream, (substream->runtime->dma_addr + offset) >> PAGE_SHIFT, size, area->vm_page_prot)) return -EAGAIN; - atomic_inc(&substream->runtime->mmap_count); + atomic_inc(&substream->mmap_count); return 0; } |