cpufreq: Remove duplicate check in __cpufreq_offline()

The has_target() checks in __cpufreq_offline() are duplicate.

Remove one of them and put the operations of exiting governor together
with storing last governor's name.

Signed-off-by: Lifeng Zheng <zhenglifeng1@huawei.com>
Link: https://patch.msgid.link/20250623133402.3120230-5-zhenglifeng1@huawei.com
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>

Author: Lifeng Zheng

drivers/cpufreq/cpufreq.c

@@ -1691,14 +1691,13 @@ static void __cpufreq_offline(unsigned int cpu, struct cpufreq_policy *policy)
 		return;
 	}
 
-	if (has_target())
+	if (has_target()) {
 		strscpy(policy->last_governor, policy->governor->name,
 			CPUFREQ_NAME_LEN);
-	else
-		policy->last_policy = policy->policy;
-
-	if (has_target())
 		cpufreq_exit_governor(policy);
+	} else {
+		policy->last_policy = policy->policy;
+	}
 
 	/*
 	 * Perform the ->offline() during light-weight tear-down, as