linux-kernel - Re: linux-next: build warning after merge of the pidfd tree

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Message-ID: <20200710075906.dilvvpj3q5dij7fu@wittgenstein>
Date:   Fri, 10 Jul 2020 09:59:06 +0200
From:   Christian Brauner <christian.brauner@...ntu.com>
To:     Stephen Rothwell <sfr@...b.auug.org.au>
Cc:     Christian Brauner <christian@...uner.io>,
        Linux Next Mailing List <linux-next@...r.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: linux-next: build warning after merge of the pidfd tree

On Fri, Jul 10, 2020 at 04:32:04PM +1000, Stephen Rothwell wrote:
> Hi all,
> 
> After merging the pidfd tree, today's linux-next build (powerpc
> ppc64_defconfig) produced this warning:
> 
> fs/nsfs.c: In function 'ns_ioctl':
> fs/nsfs.c:195:14: warning: unused variable 'pid_struct' [-Wunused-variable]
>   195 |  struct pid *pid_struct;
>       |              ^~~~~~~~~~
> fs/nsfs.c:194:22: warning: unused variable 'child_reaper' [-Wunused-variable]
>   194 |  struct task_struct *child_reaper;
>       |                      ^~~~~~~~~~~~
> 
> Introduced by commit
> 
>   a57927d2dce2 ("nsfs: add NS_GET_INIT_PID ioctl")

Hm, I wonder how that didn't get caught during a git rebase -x "make" v5.8-rc4 build...
Sorry about that!

Thanks!
Christian