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staging: unisys: visorbus: Don't check for more than PAGE_SIZE length in visorbus

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Since a sysfs entry is allocated 1 page of memory (4096 bytes) by default,
there is no need to enforce this limit in the driver. This patch corrects
visorbus/visorbus_main.c.

Reported-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: David Binder <david.binder@unisys.com>
Signed-off-by: David Kershner <david.kershner@unisys.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
David Binder 2017-01-03 16:01:16 -05:00 committed by Greg Kroah-Hartman
parent 401579c22c
commit 7a41385e68
1 changed files with 16 additions and 16 deletions
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32
drivers/staging/unisys/visorbus/visorbus_main.c
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@ -49,7 +49,7 @@ static ssize_t modalias_show(struct device *dev, struct device_attribute *attr,
vdev = to_visor_device(dev);
guid = visorchannel_get_uuid(vdev->visorchannel);
return snprintf(buf, PAGE_SIZE, "visorbus:%pUl\n", &guid);
return sprintf(buf, "visorbus:%pUl\n", &guid);
}
static DEVICE_ATTR_RO(modalias);
@ -187,8 +187,8 @@ static ssize_t physaddr_show(struct device *dev, struct device_attribute *attr,
if (!vdev->visorchannel)
return 0;
return snprintf(buf, PAGE_SIZE, "0x%llx\n",
visorchannel_get_physaddr(vdev->visorchannel));
return sprintf(buf, "0x%llx\n",
visorchannel_get_physaddr(vdev->visorchannel));
}
static DEVICE_ATTR_RO(physaddr);
@ -199,7 +199,7 @@ static ssize_t nbytes_show(struct device *dev, struct device_attribute *attr,
if (!vdev->visorchannel)
return 0;
return snprintf(buf, PAGE_SIZE, "0x%lx\n",
return sprintf(buf, "0x%lx\n",
visorchannel_get_nbytes(vdev->visorchannel));
}
static DEVICE_ATTR_RO(nbytes);
@ -211,8 +211,8 @@ static ssize_t clientpartition_show(struct device *dev,
if (!vdev->visorchannel)
return 0;
return snprintf(buf, PAGE_SIZE, "0x%llx\n",
visorchannel_get_clientpartition(vdev->visorchannel));
return sprintf(buf, "0x%llx\n",
visorchannel_get_clientpartition(vdev->visorchannel));
}
static DEVICE_ATTR_RO(clientpartition);
@ -224,8 +224,8 @@ static ssize_t typeguid_show(struct device *dev, struct device_attribute *attr,
if (!vdev->visorchannel)
return 0;
return snprintf(buf, PAGE_SIZE, "%s\n",
visorchannel_id(vdev->visorchannel, typeid));
return sprintf(buf, "%s\n",
visorchannel_id(vdev->visorchannel, typeid));
}
static DEVICE_ATTR_RO(typeguid);
@ -237,8 +237,8 @@ static ssize_t zoneguid_show(struct device *dev, struct device_attribute *attr,
if (!vdev->visorchannel)
return 0;
return snprintf(buf, PAGE_SIZE, "%s\n",
visorchannel_zoneid(vdev->visorchannel, zoneid));
return sprintf(buf, "%s\n",
visorchannel_zoneid(vdev->visorchannel, zoneid));
}
static DEVICE_ATTR_RO(zoneguid);
@ -257,7 +257,7 @@ static ssize_t typename_show(struct device *dev, struct device_attribute *attr,
if (!i)
return 0;
drv = to_visor_driver(xdrv);
return snprintf(buf, PAGE_SIZE, "%s\n", drv->channel_types[i - 1].name);
return sprintf(buf, "%s\n", drv->channel_types[i - 1].name);
}
static DEVICE_ATTR_RO(typename);
@ -296,7 +296,7 @@ static ssize_t partition_handle_show(struct device *dev,
struct visor_device *vdev = to_visor_device(dev);
u64 handle = visorchannel_get_clientpartition(vdev->visorchannel);
return snprintf(buf, PAGE_SIZE, "0x%llx\n", handle);
return sprintf(buf, "0x%llx\n", handle);
}
static DEVICE_ATTR_RO(partition_handle);
@ -305,7 +305,7 @@ static ssize_t partition_guid_show(struct device *dev,
char *buf) {
struct visor_device *vdev = to_visor_device(dev);
return snprintf(buf, PAGE_SIZE, "{%pUb}\n", &vdev->partition_uuid);
return sprintf(buf, "{%pUb}\n", &vdev->partition_uuid);
}
static DEVICE_ATTR_RO(partition_guid);
@ -314,7 +314,7 @@ static ssize_t partition_name_show(struct device *dev,
char *buf) {
struct visor_device *vdev = to_visor_device(dev);
return snprintf(buf, PAGE_SIZE, "%s\n", vdev->name);
return sprintf(buf, "%s\n", vdev->name);
}
static DEVICE_ATTR_RO(partition_name);
@ -324,7 +324,7 @@ static ssize_t channel_addr_show(struct device *dev,
struct visor_device *vdev = to_visor_device(dev);
u64 addr = visorchannel_get_physaddr(vdev->visorchannel);
return snprintf(buf, PAGE_SIZE, "0x%llx\n", addr);
return sprintf(buf, "0x%llx\n", addr);
}
static DEVICE_ATTR_RO(channel_addr);
@ -334,7 +334,7 @@ static ssize_t channel_bytes_show(struct device *dev,
struct visor_device *vdev = to_visor_device(dev);
u64 nbytes = visorchannel_get_nbytes(vdev->visorchannel);
return snprintf(buf, PAGE_SIZE, "0x%llx\n", nbytes);
return sprintf(buf, "0x%llx\n", nbytes);
}
static DEVICE_ATTR_RO(channel_bytes);