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>

1 files changed, 9 insertions, 9 deletions

diff --git a/drivers/net/tokenring/tmspci.c b/drivers/net/tokenring/tmspci.c
index 5f601773c26..e2150b3c83d 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: