From: skannan@codeaurora.org (Saravana Kannan)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH v3 2/3] cpufreq: stats: Fix error handling in __cpufreq_stats_create_table()
Date: Thu, 27 Feb 2014 17:58:35 -0800 [thread overview]
Message-ID: <1393552716-9754-2-git-send-email-skannan@codeaurora.org> (raw)
Remove sysfs group if __cpufreq_stats_create_table() fails after creating
one.
Acked-by: Viresh Kumar <viresh.kumar@linaro.org>
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;
--
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reply other threads:[~2014-02-28 1:58 UTC|newest]
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