From: Lee Jones <lee@kernel.org>
To: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Cc: Tiffany Yang <ynaffit@google.com>,
stable@vger.kernel.org, pchelkin@ispras.ru,
linux-kernel@vger.kernel.org, kernel-team@android.com,
Pavel Machek <pavel@ucw.cz>,
linux-leds@vger.kernel.org
Subject: Re: [PATCH 5.10,5.15,6.1,6.6 RESEND] leds: spi-byte: Initialize device node before access
Date: Thu, 8 Jan 2026 12:03:48 +0000 [thread overview]
Message-ID: <20260108120348.GH302752@google.com> (raw)
In-Reply-To: <aVe7_7Jf_FWkBhqH@smile.fi.intel.com>
On Fri, 02 Jan 2026, Andy Shevchenko wrote:
> On Tue, Dec 30, 2025 at 04:45:11PM -0800, Tiffany Yang wrote:
> > Commit 7f9ab862e05c ("leds: spi-byte: Call of_node_put() on error path")
> > was merged in 6.11 and then backported to stable trees through 5.10. It
> > relocates the line that initializes the variable 'child' to a later
> > point in spi_byte_probe().
> >
> > Versions < 6.9 do not have commit ccc35ff2fd29 ("leds: spi-byte: Use
> > devm_led_classdev_register_ext()"), which removes a line that reads a
> > property from 'child' before its new initialization point. Consequently,
> > spi_byte_probe() reads from an uninitialized device node in stable
> > kernels 6.6-5.10.
>
> I'm wondering if in long term the easier maintenance will be with that patch
> also being backported rather than this being applied.
Works for me.
--
Lee Jones [李琼斯]
next prev parent reply other threads:[~2026-01-08 12:03 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-12-31 0:45 [PATCH 5.10,5.15,6.1,6.6 RESEND] leds: spi-byte: Initialize device node before access Tiffany Yang
2026-01-02 12:37 ` Andy Shevchenko
2026-01-08 11:04 ` Greg KH
2026-01-08 12:03 ` Lee Jones [this message]
2026-01-08 22:19 ` Tiffany Yang
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