Re: [PATCH v1 01/16] dma-mapping: Allow map_sg() ops to return negative error codes
From: Christoph Hellwig <hch@lst.de>
Date: 2021-07-16 06:29:34
Also in:
linux-alpha, linux-arm-kernel, linux-iommu, linux-mips, linux-s390, lkml, sparclinux, xen-devel
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.