| Message ID | 20210902124913.2698760-2-geert@linux-m68k.org |
|---|---|
| State | Accepted |
| Commit | c4f3a3460a5daebc772d9263500e4099b11e7300 |
| Headers | show |
| Series | [1/3] dma-buf: DMABUF_MOVE_NOTIFY should depend on DMA_SHARED_BUFFER | expand |
diff --git a/drivers/dma-buf/Kconfig b/drivers/dma-buf/Kconfig index 9561e3d2d4285d55..de5a17c40a33d336 100644 --- a/drivers/dma-buf/Kconfig +++ b/drivers/dma-buf/Kconfig @@ -42,6 +42,7 @@ config UDMABUF config DMABUF_MOVE_NOTIFY bool "Move notify between drivers (EXPERIMENTAL)" default n + depends on DMA_SHARED_BUFFER help Don't pin buffers if the dynamic DMA-buf interface is available on both the exporter as well as the importer. This fixes a security
Move notify between drivers is an option of DMA-BUF. Enabling DMABUF_MOVE_NOTIFY without DMA_SHARED_BUFFER does not have any impact, as drivers/dma-buf/ is not entered during the build when DMA_SHARED_BUFFER is disabled. Fixes: bb42df4662a44765 ("dma-buf: add dynamic DMA-buf handling v15") Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org> --- drivers/dma-buf/Kconfig | 1 + 1 file changed, 1 insertion(+)