[PATCH] cpufreq_resume() fix

Since acpi_cpufreq_resume and speedstep_resume appear to return 0 upon
success, it seems like the attached patch is what the desired behavior
would be.  Otherwise, cpufreq_resume() always prints an error and exits
early if using a cpufreq_driver that supports resume.
Signed-off-by: Dominik Brodowski <linux@brodo.de>
Signed-off-by: Dave Jones <davej@redhat.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

drivers/cpufreq/cpufreq.c

@@ -900,9 +900,12 @@ static int cpufreq_resume(struct sys_device * sysdev)
 
 	if (cpufreq_driver->resume) {
 		ret = cpufreq_driver->resume(cpu_policy);
-		printk(KERN_ERR "cpufreq: resume failed in ->resume step on CPU %u\n", cpu_policy->cpu);
+		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);
+			return ret;
+		}
 	}
 
 	if (!(cpufreq_driver->flags & CPUFREQ_CONST_LOOPS)) {