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usb: chipidea: udc: check request status before setting device address
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: 10775eb17b
("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>
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1 changed files with 3 additions and 0 deletions
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@ -1048,6 +1048,9 @@ isr_setup_status_complete(struct usb_ep *ep, struct usb_request *req)
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struct ci_hdrc *ci = req->context;
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unsigned long flags;
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if (req->status < 0)
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return;
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if (ci->setaddr) {
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hw_usb_set_address(ci, ci->address);
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ci->setaddr = false;
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