On Thu, Jul 15, 2021 at 10:45:44AM -0600, Logan Gunthorpe wrote:
quoted hunk ↗ jump to hunk
@@ -194,6 +194,8 @@ static int __dma_map_sg_attrs(struct device *dev, struct scatterlist *sg,
else
ents = ops->map_sg(dev, sg, nents, dir, attrs);
+ WARN_ON_ONCE(ents == 0);
Turns this into a negative error code while we're at it, just to keep
the callers sane?
_______________________________________________
linux-arm-kernel mailing list
linux-arm-kernel@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-arm-kernel