diff options
Diffstat (limited to 'sound/pci/rme9652/hdsp.c')
| -rw-r--r-- | sound/pci/rme9652/hdsp.c | 14 |
1 files changed, 9 insertions, 5 deletions
diff --git a/sound/pci/rme9652/hdsp.c b/sound/pci/rme9652/hdsp.c index b35ed5f0c042..a673cc438b91 100644 --- a/sound/pci/rme9652/hdsp.c +++ b/sound/pci/rme9652/hdsp.c @@ -559,18 +559,22 @@ static int snd_hammerfall_get_buffer(struct pci_dev *pci, struct snd_dma_buffer { dmab->dev.type = SNDRV_DMA_TYPE_DEV; dmab->dev.dev = snd_dma_pci_data(pci); - if (! snd_dma_get_reserved_buf(dmab, snd_dma_pci_buf_id(pci))) { - if (snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV, snd_dma_pci_data(pci), - size, dmab) < 0) - return -ENOMEM; + if (snd_dma_get_reserved_buf(dmab, snd_dma_pci_buf_id(pci))) { + if (dmab->bytes >= size) + return 0; } + if (snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV, snd_dma_pci_data(pci), + size, dmab) < 0) + return -ENOMEM; return 0; } static void snd_hammerfall_free_buffer(struct snd_dma_buffer *dmab, struct pci_dev *pci) { - if (dmab->area) + if (dmab->area) { + dmab->dev.dev = NULL; /* make it anonymous */ snd_dma_reserve_buf(dmab, snd_dma_pci_buf_id(pci)); + } } |