[PATCH v1 01/16] dma-mapping: Allow map_sg() ops to return negative error codes
Christoph Hellwig
hch at lst.de
Thu Jul 15 23:29:28 PDT 2021
On Thu, Jul 15, 2021 at 10:45:29AM -0600, Logan Gunthorpe wrote:
> + * dma_map_sgtable() will return the error code returned and convert
> + * a zero return (for legacy implementations) into -EINVAL.
> + *
> + * dma_map_sg() will always return zero on any negative or zero
> + * return to satisfy its own calling convention.
> */
I don't think this belongs here.
> +EXPORT_SYMBOL(dma_map_sgtable);
EXPORT_SYMBOL_GPL, please.
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