Re: Potentially broken error path in bio_map_user_iov()

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To: Lukas Bulwahn <lukas.bulwahn@xxxxxxxxx>
Subject: Re: Potentially broken error path in bio_map_user_iov()
From: Christoph Hellwig <hch@xxxxxx>
Date: Mon, 3 Jan 2022 17:35:32 +0100
Cc: Christoph Hellwig <hch@xxxxxx>, Jens Axboe <axboe@xxxxxxxxx>, linux-block@xxxxxxxxxxxxxxx, Linux Kernel Mailing List <linux-kernel@xxxxxxxxxxxxxxx>, kernel-janitors <kernel-janitors@xxxxxxxxxxxxxxx>
In-reply-to: <CAKXUXMy=M42hapfG1S4ZT1v5WEdH2KYiF8Cgukmf48=FKFCyJg@mail.gmail.com>
References: <CAKXUXMy=M42hapfG1S4ZT1v5WEdH2KYiF8Cgukmf48=FKFCyJg@mail.gmail.com>
User-agent: Mutt/1.5.17 (2007-11-01)

Hi Lukas,

we can just remove the queue_dma_alignment check entirely, the caller
already ensures bio_copy_user_iov is called instead of this case.

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  - From: Lukas Bulwahn

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