diff mbox series

[2/2] usb: gadget: core: do not try to disconnect gadget if it is not connected

Message ID 20200811020026.25157-2-peter.chen@nxp.com (mailing list archive)
State Superseded
Headers show
Series [1/2] usb: gadget: core: change the comment for usb_gadget_connect | expand

Commit Message

Peter Chen Aug. 11, 2020, 2 a.m. UTC 
Current UDC core connects gadget during the loading gadget flow
(udc_bind_to_driver->usb_udc_connect_control), but for
platforms which do not connect gadget if the VBUS is not there,
they call usb_gadget_disconnect, but the gadget is not connected
at this time, notify disconnecton for the gadget driver is meaningless
at this situation.

Signed-off-by: Peter Chen <peter.chen@nxp.com>
---
 drivers/usb/gadget/udc/core.c | 3 +++
 1 file changed, 3 insertions(+)
diff mbox series

Patch

diff --git a/drivers/usb/gadget/udc/core.c b/drivers/usb/gadget/udc/core.c
index 0df73ac28c93..466cb76ca0ac 100644
--- a/drivers/usb/gadget/udc/core.c
+++ b/drivers/usb/gadget/udc/core.c
@@ -714,6 +714,9 @@  int usb_gadget_disconnect(struct usb_gadget *gadget)
 		goto out;
 	}
 
+	if (!gadget->connected)
+		goto out;
+
 	if (gadget->deactivated) {
 		/*
 		 * If gadget is deactivated we only save new state.