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scsi: xen-scsifront: shost_priv() can never return NULL 

There is no need to check whether shost_priv() returns a non-NULL value, as
the pointer returned is just an offset to the passed in parameter.

While at it replace an open coded shost_priv() instance.

Reported-by: Dan Carpenter <dan.carpenter@linaro.org>
Signed-off-by: Juergen Gross <jgross@suse.com>
Link: https://lore.kernel.org/r/20230822064817.27257-1-jgross@suse.com
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
This commit is contained in:
Juergen Gross 2023-08-22 08:48:17 +02:00 committed by Martin K. Petersen
parent 1451455e6f
commit 73c7881b50
1 changed files with 3 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
drivers/scsi/xen-scsifront.c
View File

@ -743,7 +743,7 @@ static int scsifront_sdev_configure(struct scsi_device *sdev)
if (info->host_active == STATE_ERROR)
return -EIO;
if (info && current == info->curr) {
if (current == info->curr) {
err = xenbus_printf(XBT_NIL, info->dev->nodename,
info->dev_state_path, "%d", XenbusStateConnected);
if (err) {
@ -761,7 +761,7 @@ static void scsifront_sdev_destroy(struct scsi_device *sdev)
struct vscsifrnt_info *info = shost_priv(sdev->host);
int err;
if (info && current == info->curr) {
if (current == info->curr) {
err = xenbus_printf(XBT_NIL, info->dev->nodename,
info->dev_state_path, "%d", XenbusStateClosed);
if (err)
@ -903,7 +903,7 @@ static int scsifront_probe(struct xenbus_device *dev,
xenbus_dev_fatal(dev, err, "fail to allocate scsi host");
return err;
}
info = (struct vscsifrnt_info *)host->hostdata;
info = shost_priv(host);
dev_set_drvdata(&dev->dev, info);
info->dev = dev;