[CPUFREQ] add error handling for cpufreq_register_governor() error
Add error handling for cpufreq_register_governor() error
Signed-off-by: Akinobu Mita <akinobu.mita@gmail.com>
Cc: cpufreq@lists.linux.org.uk
Signed-off-by: Dave Jones <davej@redhat.com>
diff --git a/drivers/cpufreq/cpufreq_ondemand.c b/drivers/cpufreq/cpufreq_ondemand.c
index 33855cb..67c9d4f 100644
--- a/drivers/cpufreq/cpufreq_ondemand.c
+++ b/drivers/cpufreq/cpufreq_ondemand.c
@@ -589,12 +589,18 @@
static int __init cpufreq_gov_dbs_init(void)
{
+ int err;
+
kondemand_wq = create_workqueue("kondemand");
if (!kondemand_wq) {
printk(KERN_ERR "Creation of kondemand failed\n");
return -EFAULT;
}
- return cpufreq_register_governor(&cpufreq_gov_ondemand);
+ err = cpufreq_register_governor(&cpufreq_gov_ondemand);
+ if (err)
+ destroy_workqueue(kondemand_wq);
+
+ return err;
}
static void __exit cpufreq_gov_dbs_exit(void)