From: Sepherosa Ziehau <sephe@dragonflybsd.org>
Date: Tue, 28 Aug 2012 05:43:35 +0000 (+0800)
Subject: acpi/fadt: Make sure that SCI IRQ is valid
X-Git-Tag: v3.2.0~241
X-Git-Url: http://gitweb.dragonflybsd.org/dragonfly.git/commitdiff_plain/03301eb8da76a9c2518960c868de3137bc1c6fe8

acpi/fadt: Make sure that SCI IRQ is valid
---

diff --git a/sys/platform/pc32/acpica5/acpi_fadt.c b/sys/platform/pc32/acpica5/acpi_fadt.c
index 4f752ab..6918f25 100644
--- a/sys/platform/pc32/acpica5/acpi_fadt.c
+++ b/sys/platform/pc32/acpica5/acpi_fadt.c
@@ -184,6 +184,14 @@ acpi_sci_config(void)
 
 	KKASSERT(mycpuid == 0);
 
+	if (machintr_legacy_intr_find(acpi_sci_irq,
+	    INTR_TRIGGER_CONFORM, INTR_POLARITY_CONFORM) < 0) {
+		kprintf("ACPI FADT: SCI irq %d is invalid, disable\n",
+		    acpi_sci_irq);
+		acpi_sci_irq = -1;
+		return;
+	}
+
 	if (acpi_sci_irq < 0)
 		return;
 
diff --git a/sys/platform/pc64/acpica5/acpi_fadt.c b/sys/platform/pc64/acpica5/acpi_fadt.c
index 4f752ab..6918f25 100644
--- a/sys/platform/pc64/acpica5/acpi_fadt.c
+++ b/sys/platform/pc64/acpica5/acpi_fadt.c
@@ -184,6 +184,14 @@ acpi_sci_config(void)
 
 	KKASSERT(mycpuid == 0);
 
+	if (machintr_legacy_intr_find(acpi_sci_irq,
+	    INTR_TRIGGER_CONFORM, INTR_POLARITY_CONFORM) < 0) {
+		kprintf("ACPI FADT: SCI irq %d is invalid, disable\n",
+		    acpi_sci_irq);
+		acpi_sci_irq = -1;
+		return;
+	}
+
 	if (acpi_sci_irq < 0)
 		return;