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-rw-r--r--drivers/usb/serial/opticon.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/usb/serial/opticon.c b/drivers/usb/serial/opticon.c
index c03fdc0242d..4cdb975caa8 100644
--- a/drivers/usb/serial/opticon.c
+++ b/drivers/usb/serial/opticon.c
@@ -502,7 +502,8 @@ static int opticon_resume(struct usb_interface *intf)
int result;
mutex_lock(&port->port.mutex);
- if (port->port.count)
+ /* This is protected by the port mutex against close/open */
+ if (test_bit(ASYNCB_INITIALIZED, &port->port.flags))
result = usb_submit_urb(priv->bulk_read_urb, GFP_NOIO);
else
result = 0;