From: Xu Yang xu.yang_2@nxp.com
commit b24346a240b36cfc4df194d145463874985aa29b upstream.
The complete() function may be called even though request is not completed. In this case, it's necessary to check request status so as not to set device address wrongly.
Fixes: 10775eb17bee ("usb: chipidea: udc: update gadget states according to ch9") cc: stable@vger.kernel.org Signed-off-by: Xu Yang xu.yang_2@nxp.com Link: https://lore.kernel.org/r/20220623030242.41796-1-xu.yang_2@nxp.com Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org --- drivers/usb/chipidea/udc.c | 3 +++ 1 file changed, 3 insertions(+)
--- a/drivers/usb/chipidea/udc.c +++ b/drivers/usb/chipidea/udc.c @@ -923,6 +923,9 @@ isr_setup_status_complete(struct usb_ep struct ci_hdrc *ci = req->context; unsigned long flags;
+ if (req->status < 0) + return; + if (ci->setaddr) { hw_usb_set_address(ci, ci->address); ci->setaddr = false;