usb: chipidea: udc: check request status before setting device address

stable inclusion
from stable-v5.10.127
commit 2d7bdb6a5a37e57b2b93e138f543e8accdad2531
category: bugfix
bugzilla: https://gitee.com/openeuler/kernel/issues/I5XDDK

Reference: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=2d7bdb6a5a37e57b2b93e138f543e8accdad2531

--------------------------------

commit b24346a2 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: 10775eb1 ("usb: chipidea: udc: update gadget states according to ch9")
cc: <stable@vger.kernel.org>
Signed-off-by: NXu Yang <xu.yang_2@nxp.com>
Link: https://lore.kernel.org/r/20220623030242.41796-1-xu.yang_2@nxp.comSigned-off-by: NGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: NZheng Zengkai <zhengzengkai@huawei.com>
Reviewed-by: NWei Li <liwei391@huawei.com>

drivers/usb/chipidea/udc.c

@@ -1034,6 +1034,9 @@ isr_setup_status_complete(struct usb_ep *ep, struct usb_request *req)
 	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;