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Subject[PATCH 2/3] cpufreq: stats: Fix error handling in __cpufreq_stats_create_table()
Date
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;
--
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