Hello Kuninori Morimoto,
This is a semi-automatic email about new static checker warnings.
The patch e5679d07a6ca: "usb: renesas_usbhs: add usbhs_pipe_attach()
method" from Dec 8, 2011, leads to the following Smatch complaint:
drivers/usb/renesas_usbhs/mod_host.c +642 usbhsh_queue_done()
warn: variable dereferenced before check 'urb' (see line 636)
drivers/usb/renesas_usbhs/mod_host.c
635 struct urb *urb = ureq->urb;
636 struct usbhsh_ep *uep = usbhsh_ep_to_uep(urb->ep);
^^^^^^^
New dereference.
637 struct device *dev = usbhs_priv_to_dev(priv);
638 int status = 0;
639
640 dev_dbg(dev, "%s\n", __func__);
641
642 if (!urb) {
^^^^
Old check.
643 dev_warn(dev, "pkt doesn't have urb\n");
644 return;
regards,
dan carpenter
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