From: Pawel Laszczak Date: Thu, 13 Jul 2023 08:14:29 +0000 (-0400) Subject: usb: cdnsp: Fixes issue with dequeuing not queued requests X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=34f08eb0ba6e4869bbfb682bf3d7d0494ffd2f87;p=linux.git 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: 3d82904559f4 ("usb: cdnsp: cdns3 Add main part of Cadence USBSSP DRD Driver") Signed-off-by: Pawel Laszczak Acked-by: Peter Chen Link: https://lore.kernel.org/r/20230713081429.326660-1-pawell@cadence.com Signed-off-by: Greg Kroah-Hartman --- diff --git a/drivers/usb/cdns3/cdnsp-gadget.c b/drivers/usb/cdns3/cdnsp-gadget.c index fff9ec9c391fa..4b67749edb997 100644 --- a/drivers/usb/cdns3/cdnsp-gadget.c +++ b/drivers/usb/cdns3/cdnsp-gadget.c @@ -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",