staging: usbip: use DEVICE_ATTR_RO/RW for sysfs attributes

It's easier to audit the sysfs files if they use the RO/RW macros, so
convert the usbip code to them.

Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/usbip/stub_dev.c

@@ -56,8 +56,8 @@ MODULE_DEVICE_TABLE(usb, stub_table);
  * usbip_status shows the status of usbip-host as long as this driver is bound
  * to the target device.
  */
-static ssize_t show_status(struct device *dev, struct device_attribute *attr,
-			   char *buf)
+static ssize_t usbip_status_show(struct device *dev,
+				 struct device_attribute *attr, char *buf)
 {
 	struct stub_device *sdev = dev_get_drvdata(dev);
 	int status;
@@ -73,7 +73,7 @@ static ssize_t show_status(struct device *dev, struct device_attribute *attr,
 
 	return snprintf(buf, PAGE_SIZE, "%d\n", status);
 }
-static DEVICE_ATTR(usbip_status, S_IRUGO, show_status, NULL);
+static DEVICE_ATTR_RO(usbip_status);
 
 /*
  * usbip_sockfd gets a socket descriptor of an established TCP connection that

drivers/staging/usbip/usbip_common.c

@@ -45,19 +45,20 @@ MODULE_PARM_DESC(usbip_debug_flag, "debug flags (defined in usbip_common.h)");
 struct device_attribute dev_attr_usbip_debug;
 EXPORT_SYMBOL_GPL(dev_attr_usbip_debug);
 
-static ssize_t show_flag(struct device *dev, struct device_attribute *attr,
-			 char *buf)
+static ssize_t usbip_debug_show(struct device *dev,
+				struct device_attribute *attr, char *buf)
 {
 	return sprintf(buf, "%lx\n", usbip_debug_flag);
 }
 
-static ssize_t store_flag(struct device *dev, struct device_attribute *attr,
-			  const char *buf, size_t count)
+static ssize_t usbip_debug_store(struct device *dev,
+				 struct device_attribute *attr, const char *buf,
+				 size_t count)
 {
 	sscanf(buf, "%lx", &usbip_debug_flag);
 	return count;
 }
-DEVICE_ATTR(usbip_debug, (S_IRUGO | S_IWUSR), show_flag, store_flag);
+DEVICE_ATTR_RW(usbip_debug);
 
 static void usbip_dump_buffer(char *buff, int bufflen)
 {

drivers/staging/usbip/vhci_sysfs.c

@@ -27,7 +27,7 @@
 /* TODO: refine locking ?*/
 
 /* Sysfs entry to show port status */
-static ssize_t show_status(struct device *dev, struct device_attribute *attr,
+static ssize_t status_show(struct device *dev, struct device_attribute *attr,
 			   char *out)
 {
 	char *s = out;
@@ -74,7 +74,7 @@ static ssize_t show_status(struct device *dev, struct device_attribute *attr,
 
 	return out - s;
 }
-static DEVICE_ATTR(status, S_IRUGO, show_status, NULL);
+static DEVICE_ATTR_RO(status);
 
 /* Sysfs entry to shutdown a virtual connection */
 static int vhci_port_disconnect(__u32 rhport)