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usb: cdnsp: Fixes error: uninitialized symbol 'len'

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The patch 5bc38d33a5: "usb: cdnsp: Fixes issue with redundant
Status Stage" leads to the following Smatch static checker warning:

  drivers/usb/cdns3/cdnsp-ep0.c:470 cdnsp_setup_analyze()
  error: uninitialized symbol 'len'.

cc: <stable@vger.kernel.org>
Fixes: 5bc38d33a5 ("usb: cdnsp: Fixes issue with redundant Status Stage")
Signed-off-by: Pawel Laszczak <pawell@cadence.com>
Link: https://lore.kernel.org/r/20230331090600.454674-1-pawell@cadence.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Pawel Laszczak 2023-03-31 05:06:00 -04:00 committed by Greg Kroah-Hartman
parent e07fec475c
commit 1edf48991a
1 changed files with 1 additions and 2 deletions
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3
drivers/usb/cdns3/cdnsp-ep0.c
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@ -414,7 +414,7 @@ static int cdnsp_ep0_std_request(struct cdnsp_device *pdev,
void cdnsp_setup_analyze(struct cdnsp_device *pdev)
{
struct usb_ctrlrequest *ctrl = &pdev->setup;
int ret = 0;
int ret = -EINVAL;
u16 len;
trace_cdnsp_ctrl_req(ctrl);
@ -424,7 +424,6 @@ void cdnsp_setup_analyze(struct cdnsp_device *pdev)
if (pdev->gadget.state == USB_STATE_NOTATTACHED) {
dev_err(pdev->dev, "ERR: Setup detected in unattached state\n");
ret = -EINVAL;
goto out;
}