Am 31.08.22 um 17:37 schrieb Dmitry Osipenko:
Move dma-buf attachment mapping functions to the dynamic locking
specification by asserting that the reservation lock is held.
Signed-off-by: Dmitry Osipenko <dmitry.osipe...@collabora.com>
Reviewed-by: Christian König <christian.koe...@amd.com>
---
drivers/dma-buf/dma-buf.c | 10 ++--------
1 file changed, 2 insertions(+), 8 deletions(-)
diff --git a/drivers/dma-buf/dma-buf.c b/drivers/dma-buf/dma-buf.c
index 073942bf5ae9..8e928fe6e8df 100644
--- a/drivers/dma-buf/dma-buf.c
+++ b/drivers/dma-buf/dma-buf.c
@@ -1037,8 +1037,7 @@ struct sg_table *dma_buf_map_attachment(struct
dma_buf_attachment *attach,
if (WARN_ON(!attach || !attach->dmabuf))
return ERR_PTR(-EINVAL);
- if (dma_buf_attachment_is_dynamic(attach))
- dma_resv_assert_held(attach->dmabuf->resv);
+ dma_resv_assert_held(attach->dmabuf->resv);
if (attach->sgt) {
/*
@@ -1053,7 +1052,6 @@ struct sg_table *dma_buf_map_attachment(struct
dma_buf_attachment *attach,
}
if (dma_buf_is_dynamic(attach->dmabuf)) {
- dma_resv_assert_held(attach->dmabuf->resv);
if (!IS_ENABLED(CONFIG_DMABUF_MOVE_NOTIFY)) {
r = attach->dmabuf->ops->pin(attach);
if (r)
@@ -1142,15 +1140,11 @@ void dma_buf_unmap_attachment(struct dma_buf_attachment
*attach,
if (WARN_ON(!attach || !attach->dmabuf || !sg_table))
return;
- if (dma_buf_attachment_is_dynamic(attach))
- dma_resv_assert_held(attach->dmabuf->resv);
+ dma_resv_assert_held(attach->dmabuf->resv);
if (attach->sgt == sg_table)
return;
- if (dma_buf_is_dynamic(attach->dmabuf))
- dma_resv_assert_held(attach->dmabuf->resv);
-
__unmap_dma_buf(attach, sg_table, direction);
if (dma_buf_is_dynamic(attach->dmabuf) &&
