cpumask: use zalloc_cpumask_var() where possible

Remove open-coded zalloc_cpumask_var() and zalloc_cpumask_var_node().

Signed-off-by: Li Zefan <lizf@cn.fujitsu.com>
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>

1 files changed, 1 insertions, 2 deletions

diff --git a/drivers/acpi/processor_throttling.c b/drivers/acpi/processor_throttling.c
index ce7cf3bc5101..4c6c14c1e307 100644
--- a/drivers/acpi/processor_throttling.c
+++ b/drivers/acpi/processor_throttling.c
@@ -77,7 +77,7 @@ static int acpi_processor_update_tsd_coord(void)
         struct acpi_tsd_package *pdomain, *match_pdomain;
         struct acpi_processor_throttling *pthrottling, *match_pthrottling;
 
-        if (!alloc_cpumask_var(&covered_cpus, GFP_KERNEL))
+        if (!zalloc_cpumask_var(&covered_cpus, GFP_KERNEL))
                 return -ENOMEM;
 
         /*
@@ -105,7 +105,6 @@ static int acpi_processor_update_tsd_coord(void)
         if (retval)
                 goto err_ret;
 
-        cpumask_clear(covered_cpus);
         for_each_possible_cpu(i) {
                 pr = per_cpu(processors, i);
                 if (!pr)