6.1-stable review patch. If anyone has any objections, please let me know.
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From: Pawel Laszczak pawell@cadence.com
commit 34f08eb0ba6e4869bbfb682bf3d7d0494ffd2f87 upstream.
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 pawell@cadence.com Acked-by: Peter Chen peter.chen@kernel.org Link: https://lore.kernel.org/r/20230713081429.326660-1-pawell@cadence.com Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org --- drivers/usb/cdns3/cdnsp-gadget.c | 3 +++ 1 file changed, 3 insertions(+)
--- a/drivers/usb/cdns3/cdnsp-gadget.c +++ b/drivers/usb/cdns3/cdnsp-gadget.c @@ -1125,6 +1125,9 @@ static int cdnsp_gadget_ep_dequeue(struc 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",