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WSL2-Linux-Kernel
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staging: unisys: visorbus: Remove useless checks in visorbus_main.c 

Removes checks that all visor_device instances have an associated
visorchannel. Due to the design of the s-Par drivers these checks are
unnecessary.

Signed-off-by: David Binder <david.binder@unisys.com>
Signed-off-by: David Kershner <david.kershner@unisys.com>
Reviewed-by: Tim Sell <timothy.sell@unisys.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
David Binder 2017-03-17 11:27:03 -04:00 коммит произвёл Greg Kroah-Hartman
Родитель 287f13f48e
Коммит bf8d0e947f
1 изменённых файлов: 5 добавлений и 17 удалений
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22
drivers/staging/unisys/visorbus/visorbus_main.c
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@ -185,8 +185,6 @@ static ssize_t physaddr_show(struct device *dev, struct device_attribute *attr,
{
struct visor_device *vdev = to_visor_device(dev);
if (!vdev->visorchannel)
return 0;
return sprintf(buf, "0x%llx\n",
visorchannel_get_physaddr(vdev->visorchannel));
}
@ -197,8 +195,6 @@ static ssize_t nbytes_show(struct device *dev, struct device_attribute *attr,
{
struct visor_device *vdev = to_visor_device(dev);
if (!vdev->visorchannel)
return 0;
return sprintf(buf, "0x%lx\n",
visorchannel_get_nbytes(vdev->visorchannel));
}
@ -209,8 +205,6 @@ static ssize_t clientpartition_show(struct device *dev,
{
struct visor_device *vdev = to_visor_device(dev);
if (!vdev->visorchannel)
return 0;
return sprintf(buf, "0x%llx\n",
visorchannel_get_clientpartition(vdev->visorchannel));
}
@ -222,8 +216,6 @@ static ssize_t typeguid_show(struct device *dev, struct device_attribute *attr,
struct visor_device *vdev = to_visor_device(dev);
char typeid[LINESIZE];
if (!vdev->visorchannel)
return 0;
return sprintf(buf, "%s\n",
visorchannel_id(vdev->visorchannel, typeid));
}
@ -235,8 +227,6 @@ static ssize_t zoneguid_show(struct device *dev, struct device_attribute *attr,
struct visor_device *vdev = to_visor_device(dev);
char zoneid[LINESIZE];
if (!vdev->visorchannel)
return 0;
return sprintf(buf, "%s\n",
visorchannel_zoneid(vdev->visorchannel, zoneid));
}
@ -245,13 +235,12 @@ static DEVICE_ATTR_RO(zoneguid);
static ssize_t typename_show(struct device *dev, struct device_attribute *attr,
char *buf)
{
struct visor_device *vdev = to_visor_device(dev);
int i = 0;
struct bus_type *xbus = dev->bus;
struct device_driver *xdrv = dev->driver;
struct visor_driver *drv = NULL;
if (!vdev->visorchannel || !xbus || !xdrv)
if (!xbus || !xdrv)
return 0;
i = xbus->match(dev, xdrv);
if (!i)
@ -344,11 +333,10 @@ static ssize_t channel_id_show(struct device *dev,
struct visor_device *vdev = to_visor_device(dev);
int len = 0;
if (vdev->visorchannel) {
visorchannel_id(vdev->visorchannel, buf);
len = strlen(buf);
buf[len++] = '\n';
}
visorchannel_id(vdev->visorchannel, buf);
len = strlen(buf);
buf[len++] = '\n';
return len;
}
static DEVICE_ATTR_RO(channel_id);