intel_pstate: Clean up intel_pstate_get()

intel_pstate_get() contains a local variable that's initialized but
never used and it can be written in fewer lines of code, so clean
it up.

Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Acked-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>

diff --git a/drivers/cpufreq/intel_pstate.c b/drivers/cpufreq/intel_pstate.c
index 3addb22725e122c8aff3d0a1012b3f285f294fd8..cde1a4ecaa6ea03b8358fe26c54071481a485a89 100644 (file)
--- a/drivers/cpufreq/intel_pstate.c
+++ b/drivers/cpufreq/intel_pstate.c
@@ -1404,14 +1404,9 @@ static int intel_pstate_init_cpu(unsigned int cpunum)
 
 static unsigned int intel_pstate_get(unsigned int cpu_num)
 {
-       struct sample *sample;
-       struct cpudata *cpu;
+       struct cpudata *cpu = all_cpu_data[cpu_num];
 
-       cpu = all_cpu_data[cpu_num];
-       if (!cpu)
-               return 0;
-       sample = &cpu->sample;
-       return get_avg_frequency(cpu);
+       return cpu ? get_avg_frequency(cpu) : 0;
 }
 
 static void intel_pstate_set_update_util_hook(unsigned int cpu_num)