linux-kernel - Re: [PATCH] ksmbd: smbd: fix dma_unmap

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Message-ID: <CAKYAXd-+kB786kWGetUUJG22CWzG7GuJCYYOLmTxRsY5i93AfA@mail.gmail.com>
Date: Fri, 9 Jan 2026 21:16:08 +0900
From: Namjae Jeon <linkinjeon@...nel.org>
To: Thomas Fourier <fourier.thomas@...il.com>
Cc: stable@...r.kernel.org, Steve French <smfrench@...il.com>, 
	Sergey Senozhatsky <senozhatsky@...omium.org>, Tom Talpey <tom@...pey.com>, 
	Hyunchul Lee <hyc.lee@...il.com>, Ronnie Sahlberg <lsahlber@...hat.com>, linux-cifs@...r.kernel.org, 
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] ksmbd: smbd: fix dma_unmap_sg() nents

On Fri, Jan 9, 2026 at 7:39 PM Thomas Fourier <fourier.thomas@...il.com> wrote:
>
> The dma_unmap_sg() functions should be called with the same nents as the
> dma_map_sg(), not the value the map function returned.
>
> Fixes: 0626e6641f6b ("cifsd: add server handler for central processing and tranport layers")
> Cc: <stable@...r.kernel.org>
> Signed-off-by: Thomas Fourier <fourier.thomas@...il.com>
Applied it to #ksmbd-for-next-next.
Thanks!