Commit 34f08eb0 authored by Pawel Laszczak's avatar Pawel Laszczak Committed by Greg Kroah-Hartman
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usb: cdnsp: Fixes issue with dequeuing not queued requests 



Gadget ACM while unloading module try to dequeue not queued usb
request which causes the kernel to crash.
Patch adds extra condition to check whether usb request is processed
by CDNSP driver.

cc: stable@vger.kernel.org
Fixes: 3d829045 ("usb: cdnsp: cdns3 Add main part of Cadence USBSSP DRD Driver")
Signed-off-by: default avatarPawel Laszczak <pawell@cadence.com>
Acked-by: default avatarPeter Chen <peter.chen@kernel.org>
Link: https://lore.kernel.org/r/20230713081429.326660-1-pawell@cadence.com


Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent 57e50f4b

drivers/usb/cdns3/cdnsp-gadget.c

+3 −0
Original line number Diff line number Diff line
@@ -1125,6 +1125,9 @@ static int cdnsp_gadget_ep_dequeue(struct usb_ep *ep, 
	unsigned long flags;

	int ret;



	if (request->status != -EINPROGRESS)

		return 0;



	if (!pep->endpoint.desc) {

		dev_err(pdev->dev,

			"%s: can't dequeue to disabled endpoint\n",