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

From: Greg KH <[email-masked]>
Date: Wed, 9 Sep 2020 09:40:25 +0200

On Wed, Sep 09, 2020 at 05:23:17PM +1000, Stephen Rothwell wrote:
> Hi all,
> 
> After merging the driver-core tree, today's linux-next build produced
> this warning:
> 
> drivers/mmc/host/davinci_mmc.c: In function 'davinci_mmcsd_probe':
> drivers/mmc/host/davinci_mmc.c:1243:4: warning: ignoring return value of 'dev_err_probe' declared with attribute 'warn_unused_result' [-Wunused-result]
>  1243 |    dev_err_probe(&pdev->dev, ret,
>       |    ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
>  1244 |           "could not parse of data\n");
>       |           ~~~~~~~~~~~~~~~~~~~~~~~~~~~~
> 
> Introduced by commit
> 
>   e1f82a0dcf38 ("driver core: Annotate dev_err_probe() with __must_check")
> 
> interacting with commit
> 
>   3a35e7e1bd50 ("mmc: davinci: Simplify with dev_err_probe()")
> 
> from the mmc tree.

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

greg k-h