linux-kernel - Re: [PATCH net v2] net: dsa: mv88e6xxx: lock mutex when freeing IRQs

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Message-Id: <20170928.102907.1277678452927871516.davem@davemloft.net>
Date:   Thu, 28 Sep 2017 10:29:07 -0700 (PDT)
From:   David Miller <davem@...emloft.net>
To:     vivien.didelot@...oirfairelinux.com
Cc:     netdev@...r.kernel.org, linux-kernel@...r.kernel.org,
        kernel@...oirfairelinux.com, f.fainelli@...il.com, andrew@...n.ch
Subject: Re: [PATCH net v2] net: dsa: mv88e6xxx: lock mutex when freeing
 IRQs

From: Vivien Didelot <vivien.didelot@...oirfairelinux.com>
Date: Tue, 26 Sep 2017 14:57:21 -0400

> mv88e6xxx_g2_irq_free locks the registers mutex, but not
> mv88e6xxx_g1_irq_free, which results in a stack trace from
> assert_reg_lock when unloading the mv88e6xxx module. Fix this.
> 
> Fixes: 3460a5770ce9 ("net: dsa: mv88e6xxx: Mask g1 interrupts and free interrupt")
> Signed-off-by: Vivien Didelot <vivien.didelot@...oirfairelinux.com>

Applied and queued up for -stable.