1 files changed, 2 insertions, 1 deletions

diff --git a/drivers/usb/serial/generic.c b/drivers/usb/serial/generic.c
index 5288203d883f..89fac36684c5 100644
--- a/drivers/usb/serial/generic.c
+++ b/drivers/usb/serial/generic.c
@@ -20,6 +20,7 @@
 #include <linux/usb/serial.h>
 #include <linux/uaccess.h>
 #include <linux/kfifo.h>
+#include <linux/serial.h>
 
 static int debug;
 
@@ -585,7 +586,7 @@ int usb_serial_generic_resume(struct usb_serial *serial)
 
         for (i = 0; i < serial->num_ports; i++) {
                 port = serial->port[i];
-                if (!port->port.count)
+                if (!test_bit(ASYNCB_INITIALIZED, &port->port.flags))
                         continue;
 
                 if (port->read_urb) {