cpufreq / intel_pstate: use vzalloc() instead of vmalloc()/memset(0)

Use vzalloc() instead of vmalloc() and memset(0).

Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Acked-by: Viresh Kumar <viresh.kumar@linaro.org>
Acked-by: Dirk Brandewie <dirk.j.brandewie@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>

1 files changed, 1 insertions, 2 deletions

diff --git a/drivers/cpufreq/intel_pstate.c b/drivers/cpufreq/intel_pstate.c
index 0cc7d60525ac..9c36ace92a39 100644
--- a/drivers/cpufreq/intel_pstate.c
+++ b/drivers/cpufreq/intel_pstate.c
@@ -709,10 +709,9 @@ static int __init intel_pstate_init(void)
 
         pr_info("Intel P-state driver initializing.\n");
 
-        all_cpu_data = vmalloc(sizeof(void *) * num_possible_cpus());
+        all_cpu_data = vzalloc(sizeof(void *) * num_possible_cpus());
         if (!all_cpu_data)
                 return -ENOMEM;
-        memset(all_cpu_data, 0, sizeof(void *) * num_possible_cpus());
 
         rc = cpufreq_register_driver(&intel_pstate_driver);
         if (rc)