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/net/sfc/efx.c b/drivers/net/sfc/efx.c
index 07a7e4b8f8fc..cc4b2f99989d 100644
--- a/drivers/net/sfc/efx.c
+++ b/drivers/net/sfc/efx.c
@@ -884,13 +884,12 @@ static int efx_wanted_rx_queues(void)
         int count;
         int cpu;
 
-        if (unlikely(!alloc_cpumask_var(&core_mask, GFP_KERNEL))) {
+        if (unlikely(!zalloc_cpumask_var(&core_mask, GFP_KERNEL))) {
                 printk(KERN_WARNING
                        "sfc: RSS disabled due to allocation failure\n");
                 return 1;
         }
 
-        cpumask_clear(core_mask);
         count = 0;
         for_each_online_cpu(cpu) {
                 if (!cpumask_test_cpu(cpu, core_mask)) {