linux-kernel - Re: [PATCH RT] posix-timers: Unlock expiry lock in the early return

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Message-ID: <alpine.DEB.2.21.1909232035530.1934@nanos.tec.linutronix.de>
Date:   Mon, 23 Sep 2019 20:36:04 +0200 (CEST)
From:   Thomas Gleixner <tglx@...utronix.de>
To:     Sebastian Andrzej Siewior <bigeasy@...utronix.de>
cc:     LKML <linux-kernel@...r.kernel.org>,
        linux-rt-users <linux-rt-users@...r.kernel.org>,
        Steven Rostedt <rostedt@...dmis.org>
Subject: Re: [PATCH RT] posix-timers: Unlock expiry lock in the early
 return

On Mon, 23 Sep 2019, Sebastian Andrzej Siewior wrote:

> Patch ("posix-timers: Add expiry lock") acquired a lock in
> run_posix_cpu_timers() but didn't drop the lock in the early return.
> 
> Unlock the lock in the early return path.
> 
> Reported-by: kbuild test robot <lkp@...el.com>
> Reported-by: Dan Carpenter <dan.carpenter@...cle.com>
> Signed-off-by: Sebastian Andrzej Siewior <bigeasy@...utronix.de>

Reviewed-by: Thomas Gleixner <tglx@...utronix.de>