remove the ->mapping_error method from dma_map_ops V2
From: hch@lst.de (Christoph Hellwig)
Date: 2018-11-23 06:55:15
Also in:
linux-alpha, linux-arch, linux-iommu, lkml
On Thu, Nov 22, 2018 at 09:55:25AM -0800, Linus Torvalds wrote:
No, the big immediate benefit of allowing "return -EINVAL" etc is simply legibility and error avoidance.
Well, I can tweak the last patch to return -EINVAL from dma_mapping_error instead of the old 1 is as bool true. The callers should all be fine, although I'd have to audit them. Still wouldn't help with being able to return different errors.