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[2/3] cpufreq: stats: Fix error handling in __cpufreq_stats_create_table()

Message ID 1393385915-19138-2-git-send-email-skannan@codeaurora.org (mailing list archive)
State New, archived
Headers show

Commit Message

Saravana Kannan Feb. 26, 2014, 3:38 a.m. UTC
Remove sysfs group if __cpufreq_stats_create_table() fails after creating
one.

Change-Id: Icb0b44424cc4eb6c88be255e2839ef51c3f8779c
Signed-off-by: Saravana Kannan <skannan@codeaurora.org>
---
 drivers/cpufreq/cpufreq_stats.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

Comments

Viresh Kumar Feb. 26, 2014, 5:11 a.m. UTC | #1
On 26 February 2014 09:08, Saravana Kannan <skannan@codeaurora.org> wrote:
> Remove sysfs group if __cpufreq_stats_create_table() fails after creating
> one.
>
> Change-Id: Icb0b44424cc4eb6c88be255e2839ef51c3f8779c
> Signed-off-by: Saravana Kannan <skannan@codeaurora.org>
> ---
>  drivers/cpufreq/cpufreq_stats.c | 4 +++-
>  1 file changed, 3 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/cpufreq/cpufreq_stats.c b/drivers/cpufreq/cpufreq_stats.c
> index e4bd27f..c52b440 100644
> --- a/drivers/cpufreq/cpufreq_stats.c
> +++ b/drivers/cpufreq/cpufreq_stats.c
> @@ -216,7 +216,7 @@ static int __cpufreq_stats_create_table(struct cpufreq_policy *policy,
>         stat->time_in_state = kzalloc(alloc_size, GFP_KERNEL);
>         if (!stat->time_in_state) {
>                 ret = -ENOMEM;
> -               goto error_out;
> +               goto error_alloc;
>         }
>         stat->freq_table = (unsigned int *)(stat->time_in_state + count);
>
> @@ -237,6 +237,8 @@ static int __cpufreq_stats_create_table(struct cpufreq_policy *policy,
>         stat->last_index = freq_table_get_index(stat, policy->cur);
>         spin_unlock(&cpufreq_stats_lock);
>         return 0;
> +error_alloc:
> +       sysfs_remove_group(&policy->kobj, &stats_attr_group);
>  error_out:
>         kfree(stat);
>         per_cpu(cpufreq_stats_table, cpu) = NULL;

Acked-by: Viresh Kumar <viresh.kumar@linaro.org>
diff mbox

Patch

diff --git a/drivers/cpufreq/cpufreq_stats.c b/drivers/cpufreq/cpufreq_stats.c
index e4bd27f..c52b440 100644
--- a/drivers/cpufreq/cpufreq_stats.c
+++ b/drivers/cpufreq/cpufreq_stats.c
@@ -216,7 +216,7 @@  static int __cpufreq_stats_create_table(struct cpufreq_policy *policy,
 	stat->time_in_state = kzalloc(alloc_size, GFP_KERNEL);
 	if (!stat->time_in_state) {
 		ret = -ENOMEM;
-		goto error_out;
+		goto error_alloc;
 	}
 	stat->freq_table = (unsigned int *)(stat->time_in_state + count);
 
@@ -237,6 +237,8 @@  static int __cpufreq_stats_create_table(struct cpufreq_policy *policy,
 	stat->last_index = freq_table_get_index(stat, policy->cur);
 	spin_unlock(&cpufreq_stats_lock);
 	return 0;
+error_alloc:
+	sysfs_remove_group(&policy->kobj, &stats_attr_group);
 error_out:
 	kfree(stat);
 	per_cpu(cpufreq_stats_table, cpu) = NULL;