linux-kernel - [PATCH 13/14] [IA64] Avoid overflowing ia64_cpu_to_sapicid in acpi_map

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Date:	Mon, 14 Jul 2008 20:34:50 -0600
From:	Alex Chiang <achiang@...com>
To:	linux-kernel@...r.kernel.org, linux-arch@...r.kernel.org
Cc:	linux-acpi@...r.kernel.org, Alex Chiang <achiang@...com>,
	Tony Luck <tony.luck@...el.com>
Subject: [PATCH 13/14] [IA64] Avoid overflowing ia64_cpu_to_sapicid in
	acpi_map_lsapic()

acpi_map_lsapic tries to stuff a long into ia64_cpu_to_sapicid[],
which can only hold ints, so let's fix that.

We need to update the signature of acpi_map_cpu2node() too.

Signed-off-by: Alex Chiang <achiang@...com>
Cc: Tony Luck <tony.luck@...el.com>
---

 arch/ia64/kernel/acpi.c |    5 ++---
 1 files changed, 2 insertions(+), 3 deletions(-)

diff --git a/arch/ia64/kernel/acpi.c b/arch/ia64/kernel/acpi.c
index 1b4b338..a928b94 100644
--- a/arch/ia64/kernel/acpi.c
+++ b/arch/ia64/kernel/acpi.c
@@ -775,7 +775,7 @@ int acpi_gsi_to_irq(u32 gsi, unsigned int *irq)
  */
 #ifdef CONFIG_ACPI_HOTPLUG_CPU
 static
-int acpi_map_cpu2node(acpi_handle handle, int cpu, long physid)
+int acpi_map_cpu2node(acpi_handle handle, int cpu, int physid)
 {
 #ifdef CONFIG_ACPI_NUMA
 	int pxm_id;
@@ -855,8 +855,7 @@ int acpi_map_lsapic(acpi_handle handle, int *pcpu)
 	union acpi_object *obj;
 	struct acpi_madt_local_sapic *lsapic;
 	cpumask_t tmp_map;
-	long physid;
-	int cpu;
+	int cpu, physid;
 
 	if (ACPI_FAILURE(acpi_evaluate_object(handle, "_MAT", NULL, &buffer)))
 		return -EINVAL;

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