linux-kernel - Re: [PATCH] reset: Fix crash when freeing non-existent optional resets

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Message-Id: <170135319678.682649.10186168762521739609.b4-ty@pengutronix.de>
Date:   Thu, 30 Nov 2023 15:06:36 +0100
From:   Philipp Zabel <p.zabel@...gutronix.de>
To:     Vivek Gautam <vivek.gautam@...eaurora.org>,
        Dmitry Osipenko <digetx@...il.com>,
        Mark Brown <broonie@...nel.org>,
        Geert Uytterhoeven <geert+renesas@...der.be>
Cc:     linux-kernel@...r.kernel.org, linux-renesas-soc@...r.kernel.org
Subject: Re: [PATCH] reset: Fix crash when freeing non-existent optional
 resets

On Wed, 29 Nov 2023 17:55:33 +0100, Geert Uytterhoeven wrote:
> When obtaining one or more optional resets, non-existent resets are
> stored as NULL pointers, and all related error and cleanup paths need to
> take this into account.
> 
> Currently only reset_control_put() and reset_control_bulk_put()
> get this right.  All of __reset_control_bulk_get(),
> of_reset_control_array_get(), and reset_control_array_put() lack the
> proper checking, causing NULL pointer dereferences on failure or
> release.
> 
> [...]

Applied to reset/fixes, thanks!

[1/1] reset: Fix crash when freeing non-existent optional resets
      https://git.pengutronix.de/cgit/pza/linux/commit/?id=4a6756f56bcf

regards
Philipp