Hi Bill, Ian,
FYI, this smatch warning probably exists from day 0 of the driver
code:
+ drivers/staging/comedi/drivers/ni_pcimio.c:1694 pcimio_attach_pci() warn: 'dev->irq' was not released on error
vim +1694 drivers/staging/comedi/drivers/ni_pcimio.c
1678 dev->irq = mite_irq(devpriv->mite);
1679
1680 if (dev->irq == 0) {
1681 pr_warn("unknown irq (bad)\n");
1682 } else {
1683 pr_debug("( irq = %u )\n", dev->irq);
1684 ret = request_irq(dev->irq, ni_E_interrupt, NI_E_IRQ_FLAGS,
1685 DRV_NAME, dev);
1686 if (ret < 0) {
1687 pr_warn("irq not available\n");
1688 dev->irq = 0;
1689 }
1690 }
1691
1692 ret = ni_E_init(dev);
1693 if (ret < 0)
> 1694 return ret;
1695
1696 dev->subdevices[NI_AI_SUBDEV].buf_change = &pcimio_ai_change;
1697 dev->subdevices[NI_AO_SUBDEV].buf_change = &pcimio_ao_change;
1698 dev->subdevices[NI_GPCT_SUBDEV(0)].buf_change = &pcimio_gpct0_change;
1699 dev->subdevices[NI_GPCT_SUBDEV(1)].buf_change = &pcimio_gpct1_change;
1700 dev->subdevices[NI_DIO_SUBDEV].buf_change = &pcimio_dio_change;
1701
1702 return ret;
---
0-DAY kernel build testing backend Open Source Technology Centre
Fengguang Wu, Yuanhan Liu Intel Corporation
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