> +static int sxgbe_platform_probe(struct platform_device *pdev)
[...]
> + /* Get the SXGBE common INT information */
> + priv->irq = irq_of_parse_and_map(node, 0);
> + if (priv->irq <= 0) {
> + dev_err(dev, "sxgbe common irq parsing failed\n");
> + irq_dispose_mapping(priv->irq);
> + sxgbe_drv_remove(ndev);
sxgbe_drv_probe has not been issued at this point.
> + return -EINVAL;
> + }
> +
> + /* Get the TX/RX IRQ numbers */
> + for (i = 0, chan = 1; i < SXGBE_TX_QUEUES; i++) {
> + priv->txq[i]->irq_no = irq_of_parse_and_map(node, chan++);
> + if (priv->txq[i]->irq_no <= 0) {
> + dev_err(dev, "sxgbe tx irq parsing failed\n");
> + irq_dispose_mapping(priv->txq[i]->irq_no);
Releasing the failed irq_no and leaking the i - 1 succeeded ones can't
be right.
> + sxgbe_drv_remove(ndev);
Sic.
> + return -EINVAL;
> + }
> + }
> +
> + for (i = 0; i < SXGBE_RX_QUEUES; i++) {
> + priv->rxq[i]->irq_no = irq_of_parse_and_map(node, chan++);
> + if (priv->rxq[i]->irq_no <= 0) {
> + dev_err(dev, "sxgbe rx irq parsing failed\n");
> + irq_dispose_mapping(priv->rxq[i]->irq_no);
> + sxgbe_drv_remove(ndev);
Same problem(s) as above + priv->txq[.]->irq_no leak.
Please use goto for the unwind path.
> + return -EINVAL;
> + }
> + }
> +
> + priv = sxgbe_drv_probe(&(pdev->dev), plat_dat, addr);
> + if (!priv) {
> + pr_err("%s: main driver probe failed\n", __func__);
> + return -ENODEV;
The error path is wrong.
--
Ueimor
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