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

From: Greg KH <[email-masked]>
Date: Wed, 9 Sep 2020 09:41:43 +0200

On Wed, Sep 09, 2020 at 03:56:54PM +1000, Stephen Rothwell wrote:
> Hi all,
> 
> After merging the tty tree, today's linux-next build (arm
> multi_v7_defconfig) produced this warning:
> 
> drivers/tty/serial/8250/8250_bcm2835aux.c: In function 'bcm2835aux_serial_probe':
> drivers/tty/serial/8250/8250_bcm2835aux.c:154:3: warning: ignoring return value of 'dev_err_probe' declared with attribute 'warn_unused_result' [-Wunused-result]
>   154 |   dev_err_probe(&pdev->dev, ret, "unable to register 8250 port\n");
>       |   ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
> 
> Introduced by commit
> 
>   ea43a60b1548 ("serial: 8250: Simplify with dev_err_probe()")

Offending patch now dropped from the driver-core tree, thanks.

greg k-h