diff options
Diffstat (limited to 'sound/soc/samsung/idma.c')
| -rw-r--r-- | sound/soc/samsung/idma.c | 7 |
1 files changed, 3 insertions, 4 deletions
diff --git a/sound/soc/samsung/idma.c b/sound/soc/samsung/idma.c index 66bcc2f97544..402ccadad46c 100644 --- a/sound/soc/samsung/idma.c +++ b/sound/soc/samsung/idma.c @@ -244,17 +244,14 @@ static int idma_mmap(struct snd_soc_component *component, { struct snd_pcm_runtime *runtime = substream->runtime; unsigned long size, offset; - int ret; /* From snd_pcm_lib_mmap_iomem */ vma->vm_page_prot = pgprot_noncached(vma->vm_page_prot); size = vma->vm_end - vma->vm_start; offset = vma->vm_pgoff << PAGE_SHIFT; - ret = io_remap_pfn_range(vma, vma->vm_start, + return io_remap_pfn_range(vma, vma->vm_start, (runtime->dma_addr + offset) >> PAGE_SHIFT, size, vma->vm_page_prot); - - return ret; } static irqreturn_t iis_irq(int irqno, void *dev_id) @@ -360,6 +357,8 @@ static int preallocate_idma_buffer(struct snd_pcm *pcm, int stream) buf->addr = idma.lp_tx_addr; buf->bytes = idma_hardware.buffer_bytes_max; buf->area = (unsigned char * __force)ioremap(buf->addr, buf->bytes); + if (!buf->area) + return -ENOMEM; return 0; } |