# DMA allocations from CMA and fatal\_signal\_pending check

- From: Maxime Bizon \<hidden\>
- Date: 2014-10-31 21:17:36 
- List: linux-arm-kernel
- Page: https://ratatoskr.run/linux-arm-kernel/2014/10/4364168
- Thread: https://ratatoskr.run/netdev/2014/10/4361321/t.md

```text

On Fri, 2014-10-31 at 17:28 +0900, Joonsoo Kim wrote:

> I guess that it is okay that bcm_sysport_open() return -EINTR?

actually, since CMA alloc is hidden behind dma_alloc_coherent(), all you
get back is NULL and then return ENOMEM.

-- 
Maxime
```