cpufreq: powernow-k8: Fix possible memory leak in powernowk8_cpu_init()

The memory allocated for data->powernow_table inside
powernow_k8_cpu_init_acpi() or find_psb_table() is not freed in one of
the error paths in powernowk8_cpu_init(). Fix that by adding a kfree().

Fixes: 1ff6e97f1d ("[CPUFREQ] cpumask: avoid playing with cpus_allowed in powernow-k8.c")
Cc: [email protected]
Signed-off-by: Abdun Nihaal <[email protected]>
Acked-by: Viresh Kumar <[email protected]>
Reviewed-by: Zhongqiu Han <[email protected]>
Link: https://patch.msgid.link/[email protected]
Signed-off-by: Rafael J. Wysocki <[email protected]>

drivers/cpufreq/powernow-k8.c

@@ -1084,6 +1084,7 @@ static int powernowk8_cpu_init(struct cpufreq_policy *pol)
 
 err_out_exit_acpi:
 	powernow_k8_cpu_exit_acpi(data);
+	kfree(data->powernow_table);
 
 err_out:
 	kfree(data);