| Message ID | 20230822064817.27257-1-jgross@suse.com (mailing list archive) |
|---|---|
| State | Accepted |
| Headers | show |
| Series | xen/scsifront: shost_priv() can never return NULL | expand |
Juergen, > 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. Applied to 6.6/scsi-staging, thanks!
On Tue, 22 Aug 2023 08:48:17 +0200, Juergen Gross wrote: > 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. > > > [...] Applied to 6.6/scsi-queue, thanks! [1/1] xen/scsifront: shost_priv() can never return NULL https://git.kernel.org/mkp/scsi/c/73c7881b5066
diff --git a/drivers/scsi/xen-scsifront.c b/drivers/scsi/xen-scsifront.c index caae61aa2afe..9ec55ddc1204 100644 --- a/drivers/scsi/xen-scsifront.c +++ b/drivers/scsi/xen-scsifront.c @@ -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;
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> --- drivers/scsi/xen-scsifront.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-)