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, 2 insertions, 5 deletions

diff --git a/arch/x86/kernel/apic/io_apic.c b/arch/x86/kernel/apic/io_apic.c
index 64970b9885f..dc69f28489f 100644
--- a/arch/x86/kernel/apic/io_apic.c
+++ b/arch/x86/kernel/apic/io_apic.c
@@ -227,17 +227,14 @@ static struct irq_cfg *get_one_free_irq_cfg(int node)
 
         cfg = kzalloc_node(sizeof(*cfg), GFP_ATOMIC, node);
         if (cfg) {
-                if (!alloc_cpumask_var_node(&cfg->domain, GFP_ATOMIC, node)) {
+                if (!zalloc_cpumask_var_node(&cfg->domain, GFP_ATOMIC, node)) {
                         kfree(cfg);
                         cfg = NULL;
-                } else if (!alloc_cpumask_var_node(&cfg->old_domain,
+                } else if (!zalloc_cpumask_var_node(&cfg->old_domain,
                                                           GFP_ATOMIC, node)) {
                         free_cpumask_var(cfg->domain);
                         kfree(cfg);
                         cfg = NULL;
-                } else {
-                        cpumask_clear(cfg->domain);
-                        cpumask_clear(cfg->old_domain);
                 }
         }