linux-kernel - Re: [PATCH net] net: dsa: ks8995: Fix some error handling path in ks8995

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [day] [month] [year] [list]

Message-ID: <9c7b0cc7-2bac-474b-a0ee-d24c7954d815@lunn.ch>
Date: Sat, 30 Aug 2025 21:24:03 +0200
From: Andrew Lunn <andrew@...n.ch>
To: Christophe JAILLET <christophe.jaillet@...adoo.fr>
Cc: Vladimir Oltean <olteanv@...il.com>,
	"David S. Miller" <davem@...emloft.net>,
	Eric Dumazet <edumazet@...gle.com>,
	Jakub Kicinski <kuba@...nel.org>, Paolo Abeni <pabeni@...hat.com>,
	Russell King <linux@...linux.org.uk>,
	Helmut Buchsbaum <helmut.buchsbaum@...il.com>,
	linux-kernel@...r.kernel.org, kernel-janitors@...r.kernel.org,
	netdev@...r.kernel.org
Subject: Re: [PATCH net] net: dsa: ks8995: Fix some error handling path in
 ks8995_probe()

On Sat, Aug 30, 2025 at 07:13:59PM +0200, Christophe JAILLET wrote:
> If an error occurs after calling gpiod_set_value_cansleep(..., 0), it must
> be undone by a corresponding gpiod_set_value_cansleep(..., 1) call as
> already done in the remove function.
> 
> In order to easily do the needed clean-up in the probe, add a new
> devm_add_action_or_reset() call and simplify the remove function
> accordingly.
> 
> Fixes: cd6f288cbaab ("net: phy: spi_ks8995: add support for resetting switch using GPIO")
> Signed-off-by: Christophe JAILLET <christophe.jaillet@...adoo.fr>

Reviewed-by: Andrew Lunn <andrew@...n.ch>

    Andrew