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

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Message-ID: <20200929073213.GA409833@kroah.com>
Date:   Tue, 29 Sep 2020 09:32:13 +0200
From:   Greg KH <greg@...ah.com>
To:     miaoqinglang <miaoqinglang@...wei.com>
Cc:     Stephen Rothwell <sfr@...b.auug.org.au>,
        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 tty tree

On Tue, Sep 29, 2020 at 02:41:27PM +0800, miaoqinglang wrote:
> 
> 
> 在 2020/9/29 14:01, Stephen Rothwell 写道:
> > Hi all,
> > 
> > After merging the tty tree, today's linux-next build (x86_64 allmodconfig)
> > produced this warning:
> > 
> > drivers/tty/serial/mvebu-uart.c: In function 'mvebu_uart_probe':
> > drivers/tty/serial/mvebu-uart.c:806:6: warning: unused variable 'ret' [-Wunused-variable]
> >    806 |  int ret, id, irq;
> >        |      ^~~
> > 
> > Introduced by commit
> > 
> >    b63537020db3 ("serial: mvebu-uart: simplify the return expression of mvebu_uart_probe()")
> > 
> Hi Greg,
> 
> Sorry about the noise for remaining the unused variable 'ret' in commit
> b63537020db3.
> 
> Should I send another patch to clean up this warning or send another v2
> patch instead?

A fix-up patch would be best, as this is already in my tree.

thanks,

greg k-h