diff options
| author | Yuan Can <yuancan@huawei.com> | 2024-10-16 17:06:15 +0800 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2024-12-05 10:59:34 +0100 |
| commit | 945aa077e3b8a7eaa858e2872618890ca6cac67e (patch) | |
| tree | 54f0192fb13f3b093b14519adb825c23d9e05a29 | |
| parent | a890f9de1d833e16dc9dbbc76402611acf1a6b50 (diff) | |
cpufreq: loongson2: Unregister platform_driver on failure
[ Upstream commit 5f856d71ccdf89b4bac0ff70ebb0bb582e7f7f18 ]
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@huawei.com>
Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
| -rw-r--r-- | drivers/cpufreq/loongson2_cpufreq.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/cpufreq/loongson2_cpufreq.c b/drivers/cpufreq/loongson2_cpufreq.c index da344696beed..1f4d0cf3a53c 100644 --- a/drivers/cpufreq/loongson2_cpufreq.c +++ b/drivers/cpufreq/loongson2_cpufreq.c @@ -166,7 +166,9 @@ static int __init cpufreq_init(void) ret = cpufreq_register_driver(&loongson2_cpufreq_driver); - if (!ret && !nowait) { + if (ret) { + platform_driver_unregister(&platform_driver); + } else if (!nowait) { saved_cpu_wait = cpu_wait; cpu_wait = loongson2_cpu_wait; } |