1 files changed, 30 insertions, 0 deletions
diff --git a/drivers/staging/usbip/userspace/src/usbip_network.c b/drivers/staging/usbip/userspace/src/usbip_network.c
index b12448ec69ab..c39a07f1d38c 100644
--- a/drivers/staging/usbip/userspace/src/usbip_network.c
+++ b/drivers/staging/usbip/userspace/src/usbip_network.c
@@ -28,6 +28,36 @@
 #include "usbip_common.h"
 #include "usbip_network.h"
 
+int usbip_port = 3240;
+char *usbip_port_string = "3240";
+
+void usbip_setup_port_number(char *arg)
+{
+	dbg("parsing port arg '%s'", arg);
+	char *end;
+	unsigned long int port = strtoul(arg, &end, 10);
+
+	if (end == arg) {
+		err("port: could not parse '%s' as a decimal integer", arg);
+		return;
+	}
+
+	if (*end != '\0') {
+		err("port: garbage at end of '%s'", arg);
+		return;
+	}
+
+	if (port > UINT16_MAX) {
+		err("port: %s too high (max=%d)",
+		    arg, UINT16_MAX);
+		return;
+	}
+
+	usbip_port = port;
+	usbip_port_string = arg;
+	info("using port %d (\"%s\")", usbip_port, usbip_port_string);
+}
+
 void usbip_net_pack_uint32_t(int pack, uint32_t *num)
 {
 	uint32_t i;