linux-kernel - Re: [patch V2 5/6] posix-cpu-timers: Return PTR_ERR() from lookup

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Message-ID: <20190923154325.GA11264@lenoir>
Date:   Mon, 23 Sep 2019 17:43:26 +0200
From:   Frederic Weisbecker <frederic@...nel.org>
To:     Thomas Gleixner <tglx@...utronix.de>
Cc:     LKML <linux-kernel@...r.kernel.org>,
        Frederic Weisbecker <fweisbec@...il.com>,
        Peter Zijlstra <peterz@...radead.org>,
        Ingo Molnar <mingo@...nel.org>,
        Oleg Nesterov <oleg@...hat.com>,
        Michael Kerrisk <mtk.manpages@...glemail.com>,
        Kees Cook <keescook@...omium.org>
Subject: Re: [patch V2 5/6] posix-cpu-timers: Return PTR_ERR() from
 lookup_task()

On Mon, Sep 23, 2019 at 04:54:40PM +0200, Thomas Gleixner wrote:
> To prepare for changing the return code to -EPERM when the ptrace
> permission check fails, use PTR_ERR() to return the error information from
> lookup_task() and fixup all call sites.
> 
> Signed-off-by: Thomas Gleixner <tglx@...utronix.de>

Reviewed-by: Frederic Weisbecker <frederic@...nel.org>