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[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>
This commit is contained in:
Akinobu Mita 2008-07-14 12:00:45 +09:00 committed by Dave Jones
parent 847aef6ffd
commit 888a794cac
1 changed files with 7 additions and 1 deletions
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8
drivers/cpufreq/cpufreq_ondemand.c
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@ -589,12 +589,18 @@ EXPORT_SYMBOL(cpufreq_gov_ondemand);
static int __init cpufreq_gov_dbs_init(void) static int __init cpufreq_gov_dbs_init(void)
{ {
int err;
kondemand_wq = create_workqueue("kondemand"); kondemand_wq = create_workqueue("kondemand");
if (!kondemand_wq) { if (!kondemand_wq) {
printk(KERN_ERR "Creation of kondemand failed\n"); printk(KERN_ERR "Creation of kondemand failed\n");
return -EFAULT; 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) static void __exit cpufreq_gov_dbs_exit(void)