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Subject[PATCH 2/5] acpi/numa: check if parsing acpi numa info disabled earlier
Date
Signed-off-by: liguang <lig.fnst@cn.fujitsu.com>
---
arch/x86/mm/srat.c | 6 ------
drivers/acpi/numa.c | 2 ++
2 files changed, 2 insertions(+), 6 deletions(-)

diff --git a/arch/x86/mm/srat.c b/arch/x86/mm/srat.c
index a837c95..78c67bd 100644
--- a/arch/x86/mm/srat.c
+++ b/arch/x86/mm/srat.c
@@ -60,8 +60,6 @@ acpi_numa_x2apic_affinity_init(struct acpi_srat_x2apic_cpu_affinity *pa)
int pxm, node;
int apic_id;

- if (srat_disabled())
- return;
if (pa->header.length < sizeof(struct acpi_srat_x2apic_cpu_affinity)) {
bad_srat();
return;
@@ -100,8 +98,6 @@ acpi_numa_processor_affinity_init(struct acpi_srat_cpu_affinity *pa)
int pxm, node;
int apic_id;

- if (srat_disabled())
- return;
if (pa->header.length != sizeof(struct acpi_srat_cpu_affinity)) {
bad_srat();
return;
@@ -148,8 +144,6 @@ acpi_numa_memory_affinity_init(struct acpi_srat_mem_affinity *ma)
u64 start, end;
int node, pxm;

- if (srat_disabled())
- return -1;
if (ma->header.length != sizeof(struct acpi_srat_mem_affinity)) {
bad_srat();
return -1;
diff --git a/drivers/acpi/numa.c b/drivers/acpi/numa.c
index cb31298..1f51222 100644
--- a/drivers/acpi/numa.c
+++ b/drivers/acpi/numa.c
@@ -262,6 +262,8 @@ static int __init acpi_parse_srat(struct acpi_table_header *table)
struct acpi_table_srat *srat;
if (!table)
return -EINVAL;
+ if (srat_disabled())
+ return -EACCES;

srat = (struct acpi_table_srat *)table;
acpi_srat_revision = srat->header.revision;
--
1.7.2.5


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