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| author | Mark Brown <broonie@kernel.org> | 2018-12-18 12:23:59 +0000 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2018-12-18 12:23:59 +0000 |
| commit | a7a850dba82498a1e050d8d153cae67ce0edb3b2 (patch) | |
| tree | f2b50444022ad27f407e087a820ae5ff248e0492 /sound/core | |
| parent | c5fd9e77be44360b4827069c59f524815517917b (diff) | |
| parent | 0f4967bc21de0bb9e107f9ad3ced852daf66acd2 (diff) | |
| download | linux-a7a850dba82498a1e050d8d153cae67ce0edb3b2.tar.bz2 | |
Merge branch 'asoc-4.21' into asoc-next
Diffstat (limited to 'sound/core')
| -rw-r--r-- | sound/core/compress_offload.c | 18 |
1 files changed, 15 insertions, 3 deletions
diff --git a/sound/core/compress_offload.c b/sound/core/compress_offload.c index 26b5e245b074..a5b09e75e787 100644 --- a/sound/core/compress_offload.c +++ b/sound/core/compress_offload.c @@ -171,7 +171,8 @@ static int snd_compr_free(struct inode *inode, struct file *f) } data->stream.ops->free(&data->stream); - kfree(data->stream.runtime->buffer); + if (!data->stream.runtime->dma_buffer_p) + kfree(data->stream.runtime->buffer); kfree(data->stream.runtime); kfree(data); return 0; @@ -505,7 +506,7 @@ static int snd_compr_allocate_buffer(struct snd_compr_stream *stream, struct snd_compr_params *params) { unsigned int buffer_size; - void *buffer; + void *buffer = NULL; buffer_size = params->buffer.fragment_size * params->buffer.fragments; if (stream->ops->copy) { @@ -514,7 +515,18 @@ static int snd_compr_allocate_buffer(struct snd_compr_stream *stream, * the data from core */ } else { - buffer = kmalloc(buffer_size, GFP_KERNEL); + if (stream->runtime->dma_buffer_p) { + + if (buffer_size > stream->runtime->dma_buffer_p->bytes) + dev_err(&stream->device->dev, + "Not enough DMA buffer"); + else + buffer = stream->runtime->dma_buffer_p->area; + + } else { + buffer = kmalloc(buffer_size, GFP_KERNEL); + } + if (!buffer) return -ENOMEM; } |