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Date:   Tue, 15 Oct 2019 05:41:54 -0700
From:   Christoph Hellwig <hch@infradead.org>
To:     Ben Dooks <ben.dooks@codethink.co.uk>
Cc:     linux-kernel@lists.codethink.co.uk,
        Alexander Viro <viro@zeniv.linux.org.uk>,
        linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH] fs/namespace: add __user to open_tree and move_mount
 syscalls
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On Tue, Oct 15, 2019 at 11:35:02AM +0100, Ben Dooks wrote:
> -SYSCALL_DEFINE3(open_tree, int, dfd, const char *, filename, unsigned, flags)
> +SYSCALL_DEFINE3(open_tree, int, dfd, const char __user *, filename, unsigned, flags)

Please make sure to wrap lines after 80 characters.

Otherwise this looks good.