From: Wolfram Sang <wsa+renesas@sang-engineering.com>
To: Cengiz Can <cengiz.can@canonical.com>
Cc: Linus Walleij <linusw@kernel.org>,
Bartosz Golaszewski <brgl@kernel.org>,
linux-gpio@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH v2 2/2] gpio: sloppy-logic-analyzer: use debugfs_create_file() for buf_size and capture
Date: Sat, 1 Aug 2026 22:36:02 +0200 [thread overview]
Message-ID: <am5YsrOS3lmDwJh4@shikoro> (raw)
In-Reply-To: <20260730220258.358169-3-cengiz.can@canonical.com>
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On Fri, Jul 31, 2026 at 01:02:58AM +0300, Cengiz Can wrote:
> The "buf_size" and "capture" debugfs files are created with
> debugfs_create_file_unsafe() and DEFINE_DEBUGFS_ATTRIBUTE() fops. That is
> safe on its own: debugfs_attr_read()/write() take a debugfs reference
> themselves, so debugfs_remove_recursive() drains them on removal.
>
> Now that "trigger" uses debugfs_create_file(), switch these two to the
> same call so all three debugfs files in this driver are created uniformly.
> This is a cosmetic change; the extra debugfs_file_get()/put() added by the
> full_proxy wrapper is negligible.
>
> Suggested-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
> Assisted-by: Claude:claude-opus-4.8
> Signed-off-by: Cengiz Can <cengiz.can@canonical.com>
I'd squash the patches and keep the stable tag for the combined patch,
but I'll leave this to the GPIO maintainers.
Reviewed-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
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next prev parent reply other threads:[~2026-08-01 20:36 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-07-30 22:02 [PATCH v2 0/2] gpio: sloppy-logic-analyzer: fix debugfs UAF on unbind Cengiz Can
2026-07-30 22:02 ` [PATCH v2 1/2] gpio: sloppy-logic-analyzer: fix use-after-free via debugfs trigger " Cengiz Can
2026-08-01 20:34 ` Wolfram Sang
2026-07-30 22:02 ` [PATCH v2 2/2] gpio: sloppy-logic-analyzer: use debugfs_create_file() for buf_size and capture Cengiz Can
2026-08-01 20:36 ` Wolfram Sang [this message]
2026-08-10 10:50 ` (subset) [PATCH v2 0/2] gpio: sloppy-logic-analyzer: fix debugfs UAF on unbind Bartosz Golaszewski
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