diff options
| -rw-r--r-- | drivers/iio/industrialio-buffer.c | 9 |
1 files changed, 4 insertions, 5 deletions
diff --git a/drivers/iio/industrialio-buffer.c b/drivers/iio/industrialio-buffer.c index 04b3916f89e2..31c06bffdce8 100644 --- a/drivers/iio/industrialio-buffer.c +++ b/drivers/iio/industrialio-buffer.c @@ -47,9 +47,6 @@ struct iio_dmabuf_priv { u64 context; - /* Spinlock used for locking the dma_fence */ - spinlock_t lock; - struct dma_buf_attachment *attach; struct sg_table *sgt; enum dma_data_direction dir; @@ -58,6 +55,7 @@ struct iio_dmabuf_priv { struct iio_dma_fence { struct dma_fence base; + spinlock_t lock; /* protects base */ struct iio_dmabuf_priv *priv; struct work_struct work; }; @@ -1706,7 +1704,6 @@ static int iio_buffer_attach_dmabuf(struct iio_dev_buffer_pair *ib, if (!priv) return -ENOMEM; - spin_lock_init(&priv->lock); priv->context = dma_fence_context_alloc(1); dmabuf = dma_buf_get(fd); @@ -1896,6 +1893,8 @@ static int iio_buffer_enqueue_dmabuf(struct iio_dev_buffer_pair *ib, goto err_attachment_put; } + spin_lock_init(&fence->lock); + fence->priv = priv; seqno = atomic_add_return(1, &priv->seqno); @@ -1906,7 +1905,7 @@ static int iio_buffer_enqueue_dmabuf(struct iio_dev_buffer_pair *ib, * the dma_fence. */ dma_fence_init(&fence->base, &iio_buffer_dma_fence_ops, - &priv->lock, priv->context, seqno); + &fence->lock, priv->context, seqno); ret = iio_dma_resv_lock(dmabuf, nonblock); if (ret) |