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authorRafael J. Wysocki <[email protected]>2015-10-09 20:13:30 +0000
committerRafael J. Wysocki <[email protected]>2015-10-09 20:13:30 +0000
commit670aee3fc7ac37ae947f8b582d87b51d5fa36524 (patch)
tree9885998483d4506208e5aef9c13c8a86adea20bb /drivers/acpi/pci_irq.c
parentMerge tag 'pull_req_4.3_rc4' of https://git.kernel.org/pub/scm/linux/kernel/g... (diff)
parentcpufreq: prevent lockup on reading scaling_available_frequencies (diff)
downloadkernel-670aee3fc7ac37ae947f8b582d87b51d5fa36524.tar.gz
kernel-670aee3fc7ac37ae947f8b582d87b51d5fa36524.zip
Merge branches 'pm-devfreq' and 'pm-cpufreq'
* pm-devfreq: PM / devfreq: fix double kfree PM / devfreq: Fix governor_store() * pm-cpufreq: cpufreq: prevent lockup on reading scaling_available_frequencies cpufreq: acpi_cpufreq: prevent crash on reading freqdomain_cpus
Diffstat (limited to 'drivers/acpi/pci_irq.c')
-rw-r--r--drivers/acpi/pci_irq.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/acpi/pci_irq.c b/drivers/acpi/pci_irq.c
index 6da0f9beab19..c9336751e5e3 100644
--- a/drivers/acpi/pci_irq.c
+++ b/drivers/acpi/pci_irq.c
@@ -372,6 +372,7 @@ static int acpi_isa_register_gsi(struct pci_dev *dev)
/* Interrupt Line values above 0xF are forbidden */
if (dev->irq > 0 && (dev->irq <= 0xF) &&
+ acpi_isa_irq_available(dev->irq) &&
(acpi_isa_irq_to_gsi(dev->irq, &dev_gsi) == 0)) {
dev_warn(&dev->dev, "PCI INT %c: no GSI - using ISA IRQ %d\n",
pin_name(dev->pin), dev->irq);