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authorStefan Agner <stefan.agner@toradex.com>2019-08-16 16:40:08 +0200
committerStefan Agner <stefan.agner@toradex.com>2019-08-16 16:40:08 +0200
commit3758b8bd81966b63dc93093a323e9bdd734545fd (patch)
tree229bda2abe1a31d59da4b48e71aeefde934fe1d0 /arch/x86/pci/irq.c
parentd15d0b7a9f89cf5a905ad6802eb23100c8063939 (diff)
parentdd209b062b86dd951cf1da93f20aa497fe99d52d (diff)
Merge tag 'v4.19.59-rt24' into toradex_4.19.y-rttoradex_4.19.y-rt
Linux 4.19.59-rt24
Diffstat (limited to 'arch/x86/pci/irq.c')
-rw-r--r--arch/x86/pci/irq.c10
1 files changed, 8 insertions, 2 deletions
diff --git a/arch/x86/pci/irq.c b/arch/x86/pci/irq.c
index 52e55108404e..d3a73f9335e1 100644
--- a/arch/x86/pci/irq.c
+++ b/arch/x86/pci/irq.c
@@ -1119,6 +1119,8 @@ static const struct dmi_system_id pciirq_dmi_table[] __initconst = {
void __init pcibios_irq_init(void)
{
+ struct irq_routing_table *rtable = NULL;
+
DBG(KERN_DEBUG "PCI: IRQ init\n");
if (raw_pci_ops == NULL)
@@ -1129,8 +1131,10 @@ void __init pcibios_irq_init(void)
pirq_table = pirq_find_routing_table();
#ifdef CONFIG_PCI_BIOS
- if (!pirq_table && (pci_probe & PCI_BIOS_IRQ_SCAN))
+ if (!pirq_table && (pci_probe & PCI_BIOS_IRQ_SCAN)) {
pirq_table = pcibios_get_irq_routing_table();
+ rtable = pirq_table;
+ }
#endif
if (pirq_table) {
pirq_peer_trick();
@@ -1145,8 +1149,10 @@ void __init pcibios_irq_init(void)
* If we're using the I/O APIC, avoid using the PCI IRQ
* routing table
*/
- if (io_apic_assign_pci_irqs)
+ if (io_apic_assign_pci_irqs) {
+ kfree(rtable);
pirq_table = NULL;
+ }
}
x86_init.pci.fixup_irqs();