[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>

1 files changed, 7 insertions, 1 deletions

diff --git a/drivers/cpufreq/cpufreq_ondemand.c b/drivers/cpufreq/cpufreq_ondemand.c
index 33855cb3cf16..67c9d4f9edc0 100644
--- a/drivers/cpufreq/cpufreq_ondemand.c
+++ b/drivers/cpufreq/cpufreq_ondemand.c
@@ -589,12 +589,18 @@ EXPORT_SYMBOL(cpufreq_gov_ondemand);
 
 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)