linux-kernel - Re: [PATCH] block: mtip32xx: Fix usage of dma_map

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Message-Id: <175199761337.1185853.10292369872403699020.b4-ty@kernel.dk>
Date: Tue, 08 Jul 2025 12:00:13 -0600
From: Jens Axboe <axboe@...nel.dk>
To: Thomas Fourier <fourier.thomas@...il.com>
Cc: Philipp Stanner <phasta@...nel.org>, Anuj Gupta <anuj20.g@...sung.com>, 
 Andy Shevchenko <andriy.shevchenko@...ux.intel.com>, 
 Al Viro <viro@...iv.linux.org.uk>, Li Zetao <lizetao1@...wei.com>, 
 Asai Thambi S P <asamymuthupa@...ron.com>, 
 Sam Bradshaw <sbradshaw@...ron.com>, linux-block@...r.kernel.org, 
 linux-kernel@...r.kernel.org
Subject: Re: [PATCH] block: mtip32xx: Fix usage of dma_map_sg()


On Fri, 27 Jun 2025 14:11:19 +0200, Thomas Fourier wrote:
> The dma_map_sg() can fail and, in case of failure, returns 0.  If it
> fails, mtip_hw_submit_io() returns an error.
> 
> The dma_unmap_sg() requires the nents parameter to be the same as the
> one passed to dma_map_sg(). This patch saves the nents in
> command->scatter_ents.
> 
> [...]

Applied, thanks!

[1/1] block: mtip32xx: Fix usage of dma_map_sg()
      commit: 8e1fab9cccc7b806b0cffdceabb09b310b83b553

Best regards,
-- 
Jens Axboe