linux-kernel - [PATCH AUTOSEL 5.2 003/185] cpufreq: ap806: Add NULL check after kcalloc

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Message-Id: <20190922184924.32534-3-sashal@kernel.org>
Date:   Sun, 22 Sep 2019 14:46:21 -0400
From:   Sasha Levin <sashal@...nel.org>
To:     linux-kernel@...r.kernel.org, stable@...r.kernel.org
Cc:     Hariprasad Kelam <hariprasad.kelam@...il.com>,
        Viresh Kumar <viresh.kumar@...aro.org>,
        Sasha Levin <sashal@...nel.org>, linux-pm@...r.kernel.org
Subject: [PATCH AUTOSEL 5.2 003/185] cpufreq: ap806: Add NULL check after kcalloc

From: Hariprasad Kelam <hariprasad.kelam@...il.com>

[ Upstream commit 3355c91b79394593ebbb197c8e930a91826f4ff3 ]

Add NULL check  after kcalloc.

Fix below issue reported by coccicheck
./drivers/cpufreq/armada-8k-cpufreq.c:138:1-12: alloc with no test,
possible model on line 151

Signed-off-by: Hariprasad Kelam <hariprasad.kelam@...il.com>
Signed-off-by: Viresh Kumar <viresh.kumar@...aro.org>
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
 drivers/cpufreq/armada-8k-cpufreq.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/cpufreq/armada-8k-cpufreq.c b/drivers/cpufreq/armada-8k-cpufreq.c
index 988ebc326bdbb..39e34f5066d3d 100644
--- a/drivers/cpufreq/armada-8k-cpufreq.c
+++ b/drivers/cpufreq/armada-8k-cpufreq.c
@@ -136,6 +136,8 @@ static int __init armada_8k_cpufreq_init(void)
 
 	nb_cpus = num_possible_cpus();
 	freq_tables = kcalloc(nb_cpus, sizeof(*freq_tables), GFP_KERNEL);
+	if (!freq_tables)
+		return -ENOMEM;
 	cpumask_copy(&cpus, cpu_possible_mask);
 
 	/*
-- 
2.20.1