Re: [PATCH v3 1/8] scsi/sd: add error handling support for add_disk()

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On Tue, Sep 07, 2021 at 09:29:07AM +0800, Ming Lei wrote:
> On Mon, Aug 30, 2021 at 02:25:31PM -0700, Luis Chamberlain wrote:
> > We never checked for errors on add_disk() as this function
> > returned void. Now that this is fixed, use the shiny new
> > error handling.
> > 
> > Reviewed-by: Christoph Hellwig <hch@xxxxxx>
> > Signed-off-by: Luis Chamberlain <mcgrof@xxxxxxxxxx>
> > ---
> >  drivers/scsi/sd.c | 6 +++++-
> >  1 file changed, 5 insertions(+), 1 deletion(-)
> > 
> > diff --git a/drivers/scsi/sd.c b/drivers/scsi/sd.c
> > index 610ebba0d66e..8c1273fff23e 100644
> > --- a/drivers/scsi/sd.c
> > +++ b/drivers/scsi/sd.c
> > @@ -3487,7 +3487,11 @@ static int sd_probe(struct device *dev)
> >  		pm_runtime_set_autosuspend_delay(dev,
> >  			sdp->host->hostt->rpm_autosuspend_delay);
> >  	}
> > -	device_add_disk(dev, gd, NULL);
> > +
> > +	error = device_add_disk(dev, gd, NULL);
> > +	if (error)
> > +		goto out_free_index;
> > +
> 
> The error handling is actually wrong, see 
> 
> 	https://lore.kernel.org/linux-scsi/c93f3010-13c9-e07f-1458-b6b47a27057b@xxxxxxx/T/#t
> 
> Maybe you can base on that patch.

Done, thanks!

 Luis



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