linux-kernel - Re: [PATCH v2 21/21] dma-mapping: Disallow .map_sg operations from returning zero on error

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Message-ID: <2591613.mvXUDI8C0e@daneel.sf-tec.de>
Date:   Sat, 24 Jul 2021 08:22:28 +0200
From:   Rolf Eike Beer <eike-kernel@...tec.de>
To:     linux-kernel@...r.kernel.org, linux-alpha@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org, linux-ia64@...r.kernel.org,
        linux-mips@...r.kernel.org, linuxppc-dev@...ts.ozlabs.org,
        linux-s390@...r.kernel.org, sparclinux@...r.kernel.org,
        iommu@...ts.linux-foundation.org, linux-parisc@...r.kernel.org,
        xen-devel@...ts.xenproject.org,
        Logan Gunthorpe <logang@...tatee.com>
Cc:     Christoph Hellwig <hch@....de>,
        Marek Szyprowski <m.szyprowski@...sung.com>,
        Robin Murphy <robin.murphy@....com>,
        Stephen Bates <sbates@...thlin.com>,
        Martin Oliveira <martin.oliveira@...eticom.com>,
        Logan Gunthorpe <logang@...tatee.com>
Subject: Re: [PATCH v2 21/21] dma-mapping: Disallow .map_sg operations from returning zero on error

Am Freitag, 23. Juli 2021, 19:50:08 CEST schrieb Logan Gunthorpe:
> Now that all the .map_sg operations have been converted to returning
> proper error codes, drop the code to handle a zero return value,
> add a warning if a zero is returned and update the comment for the
> map_sg operation.

I see no comment being touched here.

Eike
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