Kernel: Reorder bitwise operations when creating PCI interrupt overrides

Author: https://github.com/supercomputer7 Commit: https://github.com/SerenityOS/serenity/commit/4d44a3bdfe7 Pull-request: https://github.com/SerenityOS/serenity/pull/1718 Reviewed-by: https://github.com/awesomekling
2020-04-09 21:32:23 +03:00 · 2020-04-09 21:32:23 +03:00 · 4d44a3bdfe · 2024-07-19 07:46:03 +09:00
commit 4d44a3bdfe
parent e4ad1b92fb
1 changed files with 1 additions and 1 deletions
--- a/Kernel/ACPI/MultiProcessorParser.cpp
+++ b/Kernel/ACPI/MultiProcessorParser.cpp
@ -226,7 +226,7 @@ PCIInterruptOverrideMetadata::PCIInterruptOverrideMetadata(u8 bus_id, u8 polarit
    , m_polarity(polarity)
    , m_trigger_mode(trigger_mode)
    , m_pci_interrupt_pin(source_irq & 0b11)
-    , m_pci_device_number((source_irq & 0b11111) >> 2)
+    , m_pci_device_number((source_irq >> 2) & 0b11111)
    , m_ioapic_id(ioapic_id)
    , m_ioapic_interrupt_pin(ioapic_int_pin)
 {