From 3b8249de43ecf05407888c1ca6ca6e4945ff823c Mon Sep 17 00:00:00 2001 From: Bjorn Helgaas Date: Mon, 8 Dec 2008 21:30:10 -0700 Subject: ACPI: PCI: remove unnecessary null pointer checks Better to oops and learn about a bug than to silently cover it up. Signed-off-by: Bjorn Helgaas Signed-off-by: Len Brown --- drivers/acpi/pci_irq.c | 18 ------------------ 1 file changed, 18 deletions(-) (limited to 'drivers') diff --git a/drivers/acpi/pci_irq.c b/drivers/acpi/pci_irq.c index 63a13260999..6c04060d063 100644 --- a/drivers/acpi/pci_irq.c +++ b/drivers/acpi/pci_irq.c @@ -178,10 +178,6 @@ acpi_pci_irq_add_entry(acpi_handle handle, { struct acpi_prt_entry *entry = NULL; - - if (!prt) - return -EINVAL; - entry = kzalloc(sizeof(struct acpi_prt_entry), GFP_KERNEL); if (!entry) return -ENOMEM; @@ -432,9 +428,6 @@ acpi_pci_irq_derive(struct pci_dev *dev, u8 bridge_pin = 0, orig_pin = pin; - if (!dev) - return -EINVAL; - /* * Attempt to derive an IRQ for this device from a parent bridge's * PCI interrupt routing entry (eg. yenta bridge and add-in card bridge). @@ -491,9 +484,6 @@ int acpi_pci_irq_enable(struct pci_dev *dev) int rc; - if (!dev) - return -EINVAL; - pin = dev->pin; if (!pin) { ACPI_DEBUG_PRINT((ACPI_DB_INFO, @@ -503,11 +493,6 @@ int acpi_pci_irq_enable(struct pci_dev *dev) } pin--; - if (!dev->bus) { - dev_err(&dev->dev, "invalid (NULL) 'bus' field\n"); - return -ENODEV; - } - /* * First we check the PCI IRQ routing table (PRT) for an IRQ. PRT * values override any BIOS-assigned IRQs set during boot. @@ -586,9 +571,6 @@ void acpi_pci_irq_disable(struct pci_dev *dev) int polarity = ACPI_ACTIVE_LOW; - if (!dev || !dev->bus) - return; - pin = dev->pin; if (!pin) return; -- cgit v1.2.3-70-g09d2