diff mbox series

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

Message ID 20210830212538.148729-2-mcgrof@kernel.org (mailing list archive)
State Superseded
Headers show
Series block: first batch of add_disk() error handling conversions | expand

Commit Message

Luis Chamberlain Aug. 30, 2021, 9:25 p.m. UTC 
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@lst.de>
Signed-off-by: Luis Chamberlain <mcgrof@kernel.org>
---
 drivers/scsi/sd.c | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

Comments

Hannes Reinecke Sept. 6, 2021, 6:13 a.m. UTC | #1 
On 8/30/21 11:25 PM, 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@lst.de>
> Signed-off-by: Luis Chamberlain <mcgrof@kernel.org>
> ---
>   drivers/scsi/sd.c | 6 +++++-
>   1 file changed, 5 insertions(+), 1 deletion(-)
> 
Reviewed-by: Hannes Reinecke <hare@suse.de>

Cheers,

Hannes
Ming Lei Sept. 7, 2021, 1:29 a.m. UTC | #2 
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@lst.de>
> Signed-off-by: Luis Chamberlain <mcgrof@kernel.org>
> ---
>  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@acm.org/T/#t

Maybe you can base on that patch.


Thanks,
Ming
Luis Chamberlain Sept. 13, 2021, 5:21 p.m. UTC | #3 
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@lst.de>
> > Signed-off-by: Luis Chamberlain <mcgrof@kernel.org>
> > ---
> >  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@acm.org/T/#t
> 
> Maybe you can base on that patch.

Done, thanks!

 Luis
diff mbox series

Patch

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;
+
 	if (sdkp->capacity)
 		sd_dif_config_host(sdkp);