linux-kernel - [PATCH] cpufreq: ap806: Add NULL check after kcalloc

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [thread-next>] [day] [month] [year] [list]

Date:   Sun, 21 Jul 2019 23:38:15 +0530
From:   Hariprasad Kelam <hariprasad.kelam@...il.com>
To:     Jason Cooper <jason@...edaemon.net>, Andrew Lunn <andrew@...n.ch>,
        Gregory Clement <gregory.clement@...tlin.com>,
        Sebastian Hesselbarth <sebastian.hesselbarth@...il.com>,
        "Rafael J. Wysocki" <rjw@...ysocki.net>,
        Viresh Kumar <viresh.kumar@...aro.org>,
        linux-arm-kernel@...ts.infradead.org, linux-pm@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: [PATCH] cpufreq: ap806: Add NULL check after kcalloc

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>
---
 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 988ebc3..39e34f50 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);
 
 	/*
-- 
2.7.4