Re: [PATCH 13/31] iov_iter_get_pages(): sanity-check arguments

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To: linux-fsdevel@xxxxxxxxxxxxxxx
Subject: Re: [PATCH 13/31] iov_iter_get_pages(): sanity-check arguments
From: Al Viro <viro@xxxxxxxxxxxxxxxxxx>
Date: Sun, 19 Jun 2022 04:07:06 +0100
Cc: Christoph Hellwig <hch@xxxxxx>, Jens Axboe <axboe@xxxxxxxxx>, Matthew Wilcox <willy@xxxxxxxxxxxxx>
In-reply-to: <20220618053538.359065-14-viro@zeniv.linux.org.uk>

On Sat, Jun 18, 2022 at 06:35:20AM +0100, Al Viro wrote:

> +	if (!maxsize || maxpages)

	if (!maxsize || !maxpages)

obviously...  That's only a bisect hazard, since 16/31 fixes it.

References:
- Re: [RFC][PATCHES] iov_iter stuff
  - From: Al Viro
- [PATCH 01/31] splice: stop abusing iov_iter_advance() to flush a pipe
  - From: Al Viro
- [PATCH 13/31] iov_iter_get_pages(): sanity-check arguments
  - From: Al Viro

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