From: Sascha Hauer <s.hauer@pengutronix.de>
To: barebox@lists.infradead.org,
Johannes Schneider <johannes.schneider@leica-geosystems.com>
Subject: Re: [PATCH 212/212] dma: make dma_mapping_error NULL-device safe
Date: Thu, 02 Jul 2026 09:07:36 +0200 [thread overview]
Message-ID: <178297605600.2026638.4084219943269273902.b4-ty@pengutronix.de> (raw)
In-Reply-To: <20260619160918.88315-1-johannes.schneider@leica-geosystems.com>
On Fri, 19 Jun 2026 16:09:18 +0000, Johannes Schneider wrote:
> PBL callers often pass NULL as dev; NULL deref of dev->dma_mask
> reads i.MX8M boot ROM and returns junk byte causing false 'mapping
> error'. Treat NULL dev as 'no constraint'.
>
>
Applied, thanks!
[212/212] dma: make dma_mapping_error NULL-device safe
https://git.pengutronix.de/cgit/barebox/commit/?id=d058dbc760ff (link may not be stable)
Best regards,
--
Sascha Hauer <s.hauer@pengutronix.de>
prev parent reply other threads:[~2026-07-02 7:08 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-06-19 16:09 Johannes Schneider
2026-07-02 7:07 ` Sascha Hauer [this message]
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