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Commit d2bb46f0 authored by Linux Build Service Account's avatar Linux Build Service Account Committed by Gerrit - the friendly Code Review server
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Merge "usb: gadget: Fix bug is queuing req upon Function Suspend"

parents 87767c9a 0bd9ae0e

drivers/usb/gadget/composite.c

+12 −7
Original line number Diff line number Diff line
@@ -419,12 +419,14 @@ EXPORT_SYMBOL_GPL(usb_func_wakeup); 
int usb_func_ep_queue(struct usb_function *func, struct usb_ep *ep,

			       struct usb_request *req, gfp_t gfp_flags)

{

	int ret = -ENOTSUPP;

	int ret;

	struct usb_gadget *gadget;



	if (!func || !func->config || !func->config->cdev ||

			!func->config->cdev->gadget || !ep || !req)

		return -EINVAL;

			!func->config->cdev->gadget || !ep || !req) {

		ret = -EINVAL;

		goto done;

	}



	pr_debug("Function %s queueing new data into ep %u\n",

		func->name ? func->name : "", ep->address);
@@ -440,13 +442,16 @@ int usb_func_ep_queue(struct usb_function *func, struct usb_ep *ep, 
			pr_err("Failed to wake function %s from suspend state. ret=%d.\n",

				func->name ? func->name : "", ret);

		}

		goto done;

	}



	if (!func->func_is_suspended)

		ret = 0;

	if (func->func_is_suspended && !func->func_wakeup_allowed) {

		ret = -ENOTSUPP;

		goto done;

	}



	if (!ret)

	ret = usb_ep_queue(ep, req, gfp_flags);

done:

	return ret;

}

EXPORT_SYMBOL_GPL(usb_func_ep_queue);