netdev - Re: lan743x driver fails to map DMA during initialization on Raspberry CM4IO

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [day] [month] [year] [list]

Message-ID: <YRjTYUykl+4/KAXv@infradead.org>
Date:   Sun, 15 Aug 2021 09:42:09 +0100
From:   Christoph Hellwig <hch@...radead.org>
To:     Andreas Hilse <andreas.hilse@...glemail.com>
Cc:     Bryan Whitehead <bryan.whitehead@...rochip.com>,
        UNGLinuxDriver@...rochip.com, netdev@...r.kernel.org
Subject: Re: lan743x driver fails to map DMA during initialization on
 Raspberry CM4IO

On Mon, Aug 02, 2021 at 02:45:12PM +0200, Andreas Hilse wrote:
> +
> +       if (dma_set_mask_and_coherent(&rx->adapter->pdev->dev,
> DMA_BIT_MASK(64))) {

Setting the 64-bit mask never fails, no need for the error handling
here.