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cpufreq: loongson2: Unregister platform_driver on failure

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[ 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: f8ede0f700 ("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>
This commit is contained in:
Yuan Can
2024-10-16 17:06:15 +08:00
committed by Greg Kroah-Hartman
parent a890f9de1d
commit 945aa077e3
1 changed files with 3 additions and 1 deletions
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4
drivers/cpufreq/loongson2_cpufreq.c
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@@ -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;
}