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authorHanjun Guo2015-02-05 17:33:14 +0800
committerRafael J. Wysocki2015-02-06 01:34:47 +0100
commit2fad93083e288a7d24bf7284c87f0d80a5a2c599 (patch)
treebf244bbd5cf4033bf07b5cce08562f1b4d779bd1 /arch/x86/kernel
parente36f014edff70fc02b3d3d79cead1d58f289332e (diff)
ACPI / table: remove duplicate NULL check for the handler of acpi_table_parse()
In acpi_table_parse(), pointer of the table to pass to handler() is checked before handler() called, so remove all the duplicate NULL check in the handler function. CC: Tony Luck <tony.luck@intel.com> CC: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Hanjun Guo <hanjun.guo@linaro.org> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Diffstat (limited to 'arch/x86/kernel')
-rw-r--r--arch/x86/kernel/acpi/boot.c16
1 files changed, 2 insertions, 14 deletions
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 "