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Re: [PATCH] scsi: osd_uld: remove an unneeded NULL check

From Boaz Harrosh <ooo@electrozaur.com>
Newsgroups linux.kernel
Subject Re: [PATCH] scsi: osd_uld: remove an unneeded NULL check
Date 2017-03-23 20:40 +0100
Message-ID <togKv-6RO-59@gated-at.bofh.it> (permalink)
References <to8tz-116-15@gated-at.bofh.it>
Organization linux.* mail to news gateway

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On 03/23/2017 12:41 PM, Dan Carpenter wrote:
> We don't call the remove() function unless probe() succeeds so "oud"
> can't be NULL here.  Plus, if it were NULL, we dereference it on the
> next line so it would crash anyway.
> 
> Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
> 

Thanks sure!
ACK-by Boaz Harrosh <ooo@electrozaur.com>

> diff --git a/drivers/scsi/osd/osd_uld.c b/drivers/scsi/osd/osd_uld.c
> index 4101c3178411..8b9941a5687a 100644
> --- a/drivers/scsi/osd/osd_uld.c
> +++ b/drivers/scsi/osd/osd_uld.c
> @@ -507,10 +507,9 @@ static int osd_remove(struct device *dev)
>  	struct scsi_device *scsi_device = to_scsi_device(dev);
>  	struct osd_uld_device *oud = dev_get_drvdata(dev);
>  
> -	if (!oud || (oud->od.scsi_device != scsi_device)) {
> -		OSD_ERR("Half cooked osd-device %p,%p || %p!=%p",
> -			dev, oud, oud ? oud->od.scsi_device : NULL,
> -			scsi_device);
> +	if (oud->od.scsi_device != scsi_device) {
> +		OSD_ERR("Half cooked osd-device %p, || %p!=%p",
> +			dev, oud->od.scsi_device, scsi_device);
>  	}
>  
>  	cdev_device_del(&oud->cdev, &oud->class_dev);
> 

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[PATCH] scsi: osd_uld: remove an unneeded NULL check Dan Carpenter <dan.carpenter@oracle.com> - 2017-03-23 11:50 +0100
  Re: [PATCH] scsi: osd_uld: remove an unneeded NULL check Boaz Harrosh <ooo@electrozaur.com> - 2017-03-23 20:40 +0100

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