RE: drivers/staging/comedi/drivers/cb_pcidda.c:660 cb_pcidda_attach_pci() warn: variable dereferenced before check 'pcidev' (see line 659)

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On Tuesday, October 23, 2012 9:14 PM, Fengguang Wu wrote:
> Hi Hartley,
>
> FYI, here is a smatch warning in upstream kernel:
>
> + drivers/staging/comedi/drivers/cb_pcidda.c:660 cb_pcidda_attach_pci() warn: variable dereferenced before check 'pcidev' (see line 659)
>
> vim +660 drivers/staging/comedi/drivers/cb_pcidda.c
>
> 2c0db011 H Hartley Sweeten 2012-08-16 @659  	thisboard = cb_pcidda_find_boardinfo(dev, pcidev);
> 2c0db011 H Hartley Sweeten 2012-08-16 @660  	if (!pcidev)
> 2c0db011 H Hartley Sweeten 2012-08-16  661  		return -ENODEV;
>
> It may want to test thisboard rather than pcidev.

Thanks for noticing this. I will post a patch shortly to fix it.

Regards,
Hartley

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