Re: [PATCH] cpufreq: loongson3: Check error for devm_mutex_init()

From: Viresh Kumar
Date: Sun Nov 10 2024 - 22:58:16 EST


On 05-11-24, 11:20, Jinjie Ruan wrote:
> devm_mutex_init() may return error, and the avoidance of checking
> the error code from devm_mutex_init() call diminishes the point of
> using devm variant of it. Add the missed check.
>
> Fixes: ccf51454145b ("cpufreq: Add Loongson-3 CPUFreq driver support")
> Signed-off-by: Jinjie Ruan <ruanjinjie@xxxxxxxxxx>
> ---
> drivers/cpufreq/loongson3_cpufreq.c | 7 +++++--
> 1 file changed, 5 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/cpufreq/loongson3_cpufreq.c b/drivers/cpufreq/loongson3_cpufreq.c
> index 6b5e6798d9a2..a923e196ec86 100644
> --- a/drivers/cpufreq/loongson3_cpufreq.c
> +++ b/drivers/cpufreq/loongson3_cpufreq.c
> @@ -346,8 +346,11 @@ static int loongson3_cpufreq_probe(struct platform_device *pdev)
> {
> int i, ret;
>
> - for (i = 0; i < MAX_PACKAGES; i++)
> - devm_mutex_init(&pdev->dev, &cpufreq_mutex[i]);
> + for (i = 0; i < MAX_PACKAGES; i++) {
> + ret = devm_mutex_init(&pdev->dev, &cpufreq_mutex[i]);
> + if (ret)
> + return ret;
> + }
>
> ret = do_service_request(0, 0, CMD_GET_VERSION, 0, 0);
> if (ret <= 0)

Applied. Thanks.

--
viresh