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| author | Meelis Roos <mroos@linux.ee> | 2009-03-04 04:59:41 +0000 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2009-03-04 19:24:27 -0800 |
| commit | 87786945fe4b0e60e8f1db62d5ee8a3cec539a67 (patch) | |
| tree | 3175ca2f79ebb1c40498907273dc09a82548db37 /drivers/net/tokenring | |
| parent | a883bf564ea555447a76682bb2d8d4bc92e23e0e (diff) | |
| download | linux-87786945fe4b0e60e8f1db62d5ee8a3cec539a67.tar.gz linux-87786945fe4b0e60e8f1db62d5ee8a3cec539a67.tar.bz2 linux-87786945fe4b0e60e8f1db62d5ee8a3cec539a67.zip | |
tmspci: fix request_irq race
Currently, tmspci tokenring driver crashes on device initialization
because it requests its irq before initializing corresponding data
structures. Fix this by moving request_irq call to a safer place.
Signed-off-by: Meelis Roos <mroos@linux.ee>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/tokenring')
| -rw-r--r-- | drivers/net/tokenring/tmspci.c | 18 |
1 files changed, 9 insertions, 9 deletions
diff --git a/drivers/net/tokenring/tmspci.c b/drivers/net/tokenring/tmspci.c index 5f601773c260..e2150b3c83d9 100644 --- a/drivers/net/tokenring/tmspci.c +++ b/drivers/net/tokenring/tmspci.c @@ -121,11 +121,6 @@ static int __devinit tms_pci_attach(struct pci_dev *pdev, const struct pci_devic goto err_out_trdev; } - ret = request_irq(pdev->irq, tms380tr_interrupt, IRQF_SHARED, - dev->name, dev); - if (ret) - goto err_out_region; - dev->base_addr = pci_ioaddr; dev->irq = pci_irq_line; dev->dma = 0; @@ -142,7 +137,7 @@ static int __devinit tms_pci_attach(struct pci_dev *pdev, const struct pci_devic ret = tmsdev_init(dev, &pdev->dev); if (ret) { printk("%s: unable to get memory for dev->priv.\n", dev->name); - goto err_out_irq; + goto err_out_region; } tp = netdev_priv(dev); @@ -157,6 +152,11 @@ static int __devinit tms_pci_attach(struct pci_dev *pdev, const struct pci_devic tp->tmspriv = cardinfo; + ret = request_irq(pdev->irq, tms380tr_interrupt, IRQF_SHARED, + dev->name, dev); + if (ret) + goto err_out_tmsdev; + dev->open = tms380tr_open; dev->stop = tms380tr_close; pci_set_drvdata(pdev, dev); @@ -164,15 +164,15 @@ static int __devinit tms_pci_attach(struct pci_dev *pdev, const struct pci_devic ret = register_netdev(dev); if (ret) - goto err_out_tmsdev; + goto err_out_irq; return 0; +err_out_irq: + free_irq(pdev->irq, dev); err_out_tmsdev: pci_set_drvdata(pdev, NULL); tmsdev_term(dev); -err_out_irq: - free_irq(pdev->irq, dev); err_out_region: release_region(pci_ioaddr, TMS_PCI_IO_EXTENT); err_out_trdev: |