When cpufreq_register_driver() returns error, the cpufreq_init() returns
without unregister platform_driver, fix by add missing
platform_driver_unregister() when cpufreq_register_driver() failed.
Fixes: f8ede0f700f5 ("MIPS: Loongson 2F: Add CPU frequency scaling support")
Signed-off-by: Yuan Can <yuancan@xxxxxxxxxx>
---
drivers/cpufreq/loongson2_cpufreq.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/drivers/cpufreq/loongson2_cpufreq.c b/drivers/cpufreq/loongson2_cpufreq.c
index 6a8e97896d38..1291db067559 100644
--- a/drivers/cpufreq/loongson2_cpufreq.c
+++ b/drivers/cpufreq/loongson2_cpufreq.c
@@ -153,6 +153,9 @@ static int __init cpufreq_init(void)
cpu_wait = loongson2_cpu_wait;
}
+ if (ret)
+ platform_driver_unregister(&platform_driver);
+
return ret;
}
--
2.17.1
