aboutsummaryrefslogtreecommitdiff
diff options
context:
space:
mode:
-rw-r--r--arch/ia64/kernel/acpi.c6
-rw-r--r--arch/x86/kernel/acpi/boot.c16
-rw-r--r--drivers/acpi/numa.c12
3 files changed, 4 insertions, 30 deletions
diff --git a/arch/ia64/kernel/acpi.c b/arch/ia64/kernel/acpi.c
index e795cb848154..2c4498919d3c 100644
--- a/arch/ia64/kernel/acpi.c
+++ b/arch/ia64/kernel/acpi.c
@@ -380,9 +380,6 @@ static void __init acpi_madt_oem_check(char *oem_id, char *oem_table_id)
static int __init acpi_parse_madt(struct acpi_table_header *table)
{
- if (!table)
- return -EINVAL;
-
acpi_madt = (struct acpi_table_madt *)table;
acpi_madt_rev = acpi_madt->header.revision;
@@ -645,9 +642,6 @@ static int __init acpi_parse_fadt(struct acpi_table_header *table)
struct acpi_table_header *fadt_header;
struct acpi_table_fadt *fadt;
- if (!table)
- return -EINVAL;
-
fadt_header = (struct acpi_table_header *)table;
if (fadt_header->revision != 3)
return -ENODEV; /* Only deal with ACPI 2.0 FADT */
diff --git a/arch/x86/kernel/acpi/boot.c b/arch/x86/kernel/acpi/boot.c
index b9e30daa0881..14d3652ece8d 100644
--- a/arch/x86/kernel/acpi/boot.c
+++ b/arch/x86/kernel/acpi/boot.c
@@ -843,13 +843,7 @@ int acpi_ioapic_registered(acpi_handle handle, u32 gsi_base)
static int __init acpi_parse_sbf(struct acpi_table_header *table)
{
- struct acpi_table_boot *sb;
-
- sb = (struct acpi_table_boot *)table;
- if (!sb) {
- printk(KERN_WARNING PREFIX "Unable to map SBF\n");
- return -ENODEV;
- }
+ struct acpi_table_boot *sb = (struct acpi_table_boot *)table;
sbf_port = sb->cmos_index; /* Save CMOS port */
@@ -863,13 +857,7 @@ static struct resource *hpet_res __initdata;
static int __init acpi_parse_hpet(struct acpi_table_header *table)
{
- struct acpi_table_hpet *hpet_tbl;
-
- hpet_tbl = (struct acpi_table_hpet *)table;
- if (!hpet_tbl) {
- printk(KERN_WARNING PREFIX "Unable to map HPET\n");
- return -ENODEV;
- }
+ struct acpi_table_hpet *hpet_tbl = (struct acpi_table_hpet *)table;
if (hpet_tbl->address.space_id != ACPI_SPACE_MEM) {
printk(KERN_WARNING PREFIX "HPET timers must be located in "
diff --git a/drivers/acpi/numa.c b/drivers/acpi/numa.c
index 24b5476449a1..1333cbdc3ea2 100644
--- a/drivers/acpi/numa.c
+++ b/drivers/acpi/numa.c
@@ -177,12 +177,7 @@ static int __init slit_valid(struct acpi_table_slit *slit)
static int __init acpi_parse_slit(struct acpi_table_header *table)
{
- struct acpi_table_slit *slit;
-
- if (!table)
- return -EINVAL;
-
- slit = (struct acpi_table_slit *)table;
+ struct acpi_table_slit *slit = (struct acpi_table_slit *)table;
if (!slit_valid(slit)) {
printk(KERN_INFO "ACPI: SLIT table looks invalid. Not used.\n");
@@ -260,11 +255,8 @@ acpi_parse_memory_affinity(struct acpi_subtable_header * header,
static int __init acpi_parse_srat(struct acpi_table_header *table)
{
- struct acpi_table_srat *srat;
- if (!table)
- return -EINVAL;
+ struct acpi_table_srat *srat = (struct acpi_table_srat *)table;
- srat = (struct acpi_table_srat *)table;
acpi_srat_revision = srat->header.revision;
/* Real work done in acpi_table_parse_srat below. */