diff options
Diffstat (limited to 'sound/soc/intel/sst-baytrail-ipc.c')
| -rw-r--r-- | sound/soc/intel/sst-baytrail-ipc.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/sound/soc/intel/sst-baytrail-ipc.c b/sound/soc/intel/sst-baytrail-ipc.c index d0eaeee21be4..0d31dbbf4806 100644 --- a/sound/soc/intel/sst-baytrail-ipc.c +++ b/sound/soc/intel/sst-baytrail-ipc.c @@ -542,16 +542,20 @@ struct sst_byt_stream *sst_byt_stream_new(struct sst_byt *byt, int id, void *data) { struct sst_byt_stream *stream; + struct sst_dsp *sst = byt->dsp; + unsigned long flags; stream = kzalloc(sizeof(*stream), GFP_KERNEL); if (stream == NULL) return NULL; + spin_lock_irqsave(&sst->spinlock, flags); list_add(&stream->node, &byt->stream_list); stream->notify_position = notify_position; stream->pdata = data; stream->byt = byt; stream->str_id = id; + spin_unlock_irqrestore(&sst->spinlock, flags); return stream; } @@ -630,6 +634,8 @@ int sst_byt_stream_free(struct sst_byt *byt, struct sst_byt_stream *stream) { u64 header; int ret = 0; + struct sst_dsp *sst = byt->dsp; + unsigned long flags; if (!stream->commited) goto out; @@ -644,8 +650,10 @@ int sst_byt_stream_free(struct sst_byt *byt, struct sst_byt_stream *stream) stream->commited = false; out: + spin_lock_irqsave(&sst->spinlock, flags); list_del(&stream->node); kfree(stream); + spin_unlock_irqrestore(&sst->spinlock, flags); return ret; } |