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authorHanjun Guo <hanjun.guo@linaro.org>2015-02-05 17:33:14 +0800
committerRafael J. Wysocki <rafael.j.wysocki@intel.com>2015-02-06 01:34:47 +0100
commit2fad93083e288a7d24bf7284c87f0d80a5a2c599 (patch)
treebf244bbd5cf4033bf07b5cce08562f1b4d779bd1 /drivers/acpi/numa.c
parente36f014edff70fc02b3d3d79cead1d58f289332e (diff)
downloadleg-kernel-2fad93083e288a7d24bf7284c87f0d80a5a2c599.tar.gz
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 'drivers/acpi/numa.c')
-rw-r--r--drivers/acpi/numa.c12
1 files changed, 2 insertions, 10 deletions
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. */