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

From: Greg KH
Date: Wed Sep 09 2020 - 03:40:23 EST


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