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brcm47xx: bcma: fix null pointer

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git-svn-id: svn://svn.openwrt.org/openwrt/trunk@31789 3c298f89-4303-0410-b956-a3cf2f4a3e73
This commit is contained in:
hauke 2012-05-18 15:46:30 +00:00
parent aa8a1880a1
commit 1b9dfb678c
1 changed files with 20 additions and 0 deletions
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20
target/linux/brcm47xx/patches-3.3/233-bcma-fix-NP-in-bcma_core_pci_irq_ctl.patch Normal file
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@ -0,0 +1,20 @@
--- a/drivers/bcma/driver_pci.c
+++ b/drivers/bcma/driver_pci.c
@@ -232,7 +232,7 @@ void __devinit bcma_core_pci_init(struct
int bcma_core_pci_irq_ctl(struct bcma_drv_pci *pc, struct bcma_device *core,
bool enable)
{
- struct pci_dev *pdev = pc->core->bus->host_pci;
+ struct pci_dev *pdev;
u32 coremask, tmp;
int err = 0;
@@ -243,6 +243,8 @@ int bcma_core_pci_irq_ctl(struct bcma_dr
goto out;
}
+ pdev = pc->core->bus->host_pci;
+
err = pci_read_config_dword(pdev, BCMA_PCI_IRQMASK, &tmp);
if (err)
goto out;