[CPUFREQ] Slightly shorten the error paths of cpufreq_suspend/cpufreq_resume
Dave Jones [Thu, 7 Feb 2008 21:32:18 +0000 (16:32 -0500)]
Signed-off-by: Dave Jones <davej@redhat.com>

drivers/cpufreq/cpufreq.c

index 35a26a3..0d05487 100644 (file)
@@ -1221,22 +1221,18 @@ static int cpufreq_suspend(struct sys_device * sysdev, pm_message_t pmsg)
                return -EINVAL;
 
        /* only handle each CPU group once */
-       if (unlikely(cpu_policy->cpu != cpu)) {
-               cpufreq_cpu_put(cpu_policy);
-               return 0;
-       }
+       if (unlikely(cpu_policy->cpu != cpu))
+               goto out;
 
        if (cpufreq_driver->suspend) {
                ret = cpufreq_driver->suspend(cpu_policy, pmsg);
                if (ret) {
                        printk(KERN_ERR "cpufreq: suspend failed in ->suspend "
                                        "step on CPU %u\n", cpu_policy->cpu);
-                       cpufreq_cpu_put(cpu_policy);
-                       return ret;
+                       goto out;
                }
        }
 
-
        if (cpufreq_driver->flags & CPUFREQ_CONST_LOOPS)
                goto out;
 
@@ -1270,7 +1266,7 @@ static int cpufreq_suspend(struct sys_device * sysdev, pm_message_t pmsg)
 
 out:
        cpufreq_cpu_put(cpu_policy);
-       return 0;
+       return ret;
 }
 
 /**
@@ -1302,18 +1298,15 @@ static int cpufreq_resume(struct sys_device * sysdev)
                return -EINVAL;
 
        /* only handle each CPU group once */
-       if (unlikely(cpu_policy->cpu != cpu)) {
-               cpufreq_cpu_put(cpu_policy);
-               return 0;
-       }
+       if (unlikely(cpu_policy->cpu != cpu))
+               goto fail;
 
        if (cpufreq_driver->resume) {
                ret = cpufreq_driver->resume(cpu_policy);
                if (ret) {
                        printk(KERN_ERR "cpufreq: resume failed in ->resume "
                                        "step on CPU %u\n", cpu_policy->cpu);
-                       cpufreq_cpu_put(cpu_policy);
-                       return ret;
+                       goto fail;
                }
        }
 
@@ -1353,6 +1346,7 @@ static int cpufreq_resume(struct sys_device * sysdev)
 
 out:
        schedule_work(&cpu_policy->update);
+fail:
        cpufreq_cpu_put(cpu_policy);
        return ret;
 }