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From: Saravana Kannan <skannan@codeaurora.org>
To: "Rafael J. Wysocki" <rjw@rjwysocki.net>,
	Viresh Kumar <viresh.kumar@linaro.org>
Cc: linux-pm@vger.kernel.org, cpufreq@vger.kernel.org,
	linux-kernel@vger.kernel.org, linux-arm-msm@vger.kernel.org,
	linux-arm-kernel@lists.infradead.org,
	Saravana Kannan <skannan@codeaurora.org>
Subject: [PATCH 2/3] cpufreq: stats: Fix error handling in __cpufreq_stats_create_table()
Date: Wed, 26 Feb 2014 12:17:37 -0800	[thread overview]
Message-ID: <1393445858-7062-2-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;
-- 
The Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum,
hosted by The Linux Foundation

             reply	other threads:[~2014-02-26 20:17 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-02-26 20:17 Saravana Kannan [this message]
  -- strict thread matches above, loose matches on Subject: below --
2014-02-25 22:41 [PATCH] cpufreq: Set policy to non-NULL only after all hotplug online work is done Rafael J. Wysocki
2014-02-26  3:38 ` [PATCH 2/3] cpufreq: stats: Fix error handling in __cpufreq_stats_create_table() Saravana Kannan
2014-02-26  5:11   ` Viresh Kumar

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