linux-kernel - Re: [PATCH] cpufreq: tegra194: Fix an error handling path in tegra194_cpufreq

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite for Android: free password hash cracker in your pocket

[<prev] [next>] [<thread-prev] [day] [month] [year] [list]

Message-ID: <20230511090321.sqlni5cf3rpmh7sg@vireshk-i7>
Date:   Thu, 11 May 2023 14:33:21 +0530
From:   Viresh Kumar <viresh.kumar@...aro.org>
To:     Christophe JAILLET <christophe.jaillet@...adoo.fr>
Cc:     "Rafael J. Wysocki" <rafael@...nel.org>,
        Thierry Reding <thierry.reding@...il.com>,
        Jonathan Hunter <jonathanh@...dia.com>,
        Sumit Gupta <sumitg@...dia.com>, linux-kernel@...r.kernel.org,
        kernel-janitors@...r.kernel.org, linux-pm@...r.kernel.org,
        linux-tegra@...r.kernel.org
Subject: Re: [PATCH] cpufreq: tegra194: Fix an error handling path in
 tegra194_cpufreq_probe()

On 25-04-23, 15:11, Christophe JAILLET wrote:
> If the probe needs to be deferred, some resources still need to be
> released. So branch to the error handling path instead of returning
> directly.
> 
> Fixes: f41e1442ac5b ("cpufreq: tegra194: add OPP support and set bandwidth")
> Signed-off-by: Christophe JAILLET <christophe.jaillet@...adoo.fr>
> ---
> Compile tested-only
> ---
>  drivers/cpufreq/tegra194-cpufreq.c | 6 ++++--
>  1 file changed, 4 insertions(+), 2 deletions(-)
> 
> diff --git a/drivers/cpufreq/tegra194-cpufreq.c b/drivers/cpufreq/tegra194-cpufreq.c
> index c8d03346068a..36dad5ea5947 100644
> --- a/drivers/cpufreq/tegra194-cpufreq.c
> +++ b/drivers/cpufreq/tegra194-cpufreq.c
> @@ -686,8 +686,10 @@ static int tegra194_cpufreq_probe(struct platform_device *pdev)
>  
>  	/* Check for optional OPPv2 and interconnect paths on CPU0 to enable ICC scaling */
>  	cpu_dev = get_cpu_device(0);
> -	if (!cpu_dev)
> -		return -EPROBE_DEFER;
> +	if (!cpu_dev) {
> +		err = -EPROBE_DEFER;
> +		goto err_free_res;
> +	}
>  
>  	if (dev_pm_opp_of_get_opp_desc_node(cpu_dev)) {
>  		err = dev_pm_opp_of_find_icc_paths(cpu_dev, NULL);

Applied. Thanks.

-- 
viresh