perf/amd/uncore: Simplify code, use free_percpu()'s built-in check for NULL

free_percpu() has its own check for NULL, no need to open-code it.

Signed-off-by: Kim Phillips <[email protected]>
Signed-off-by: Peter Zijlstra (Intel) <[email protected]>
Signed-off-by: Ingo Molnar <[email protected]>
Link: https://lore.kernel.org/r/[email protected]

Author: kimphillamd

arch/x86/events/amd/uncore.c

@@ -659,11 +659,9 @@ static int __init amd_uncore_init(void)
 fail_llc:
 	if (boot_cpu_has(X86_FEATURE_PERFCTR_NB))
 		perf_pmu_unregister(&amd_nb_pmu);
-	if (amd_uncore_llc)
-		free_percpu(amd_uncore_llc);
+	free_percpu(amd_uncore_llc);
 fail_nb:
-	if (amd_uncore_nb)
-		free_percpu(amd_uncore_nb);
+	free_percpu(amd_uncore_nb);
 
 	return ret;
 }