Staging: usbip: minor code cleanup

Signed-off-by: Himanshu Chauhan <himanshu@symmetricore.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

diff --git a/drivers/staging/usbip/usbip_common.c b/drivers/staging/usbip/usbip_common.c
index ddb6f5f..57c0ff5 100644
--- a/drivers/staging/usbip/usbip_common.c
+++ b/drivers/staging/usbip/usbip_common.c
@@ -55,10 +55,7 @@
 static ssize_t store_flag(struct device *dev, struct device_attribute *attr,
 		const char *buf, size_t count)
 {
-	unsigned long flag;
-
-	sscanf(buf, "%lx", &flag);
-	usbip_debug_flag = flag;
+	sscanf(buf, "%lx", &usbip_debug_flag);
 
 	return count;
 }