From ddb64c5db3cc8fb9c1242214d5798b2c2865681c Mon Sep 17 00:00:00 2001 From: Wen Yang Date: Mon, 1 Apr 2019 09:37:49 +0800 Subject: cpufreq: imx6q: fix possible object reference leak The call to of_node_get returns a node pointer with refcount incremented thus it must be explicitly decremented after the last usage. Detected by coccinelle with the following warnings: ./drivers/cpufreq/imx6q-cpufreq.c:391:4-10: ERROR: missing of_node_put; acquired a node pointer with refcount incremented on line 348, but without a corresponding object release within this function. ./drivers/cpufreq/imx6q-cpufreq.c:395:3-9: ERROR: missing of_node_put; acquired a node pointer with refcount incremented on line 348, but without a corresponding object release within this function. Signed-off-by: Wen Yang Cc: "Rafael J. Wysocki" Cc: Viresh Kumar Cc: Shawn Guo Cc: Sascha Hauer Cc: Pengutronix Kernel Team Cc: Fabio Estevam Cc: NXP Linux Team Cc: linux-pm@vger.kernel.org Cc: linux-arm-kernel@lists.infradead.org Cc: linux-kernel@vger.kernel.org Signed-off-by: Viresh Kumar --- drivers/cpufreq/imx6q-cpufreq.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) (limited to 'drivers/cpufreq/imx6q-cpufreq.c') diff --git a/drivers/cpufreq/imx6q-cpufreq.c b/drivers/cpufreq/imx6q-cpufreq.c index a4ff09f91c8f..3e17560b1efe 100644 --- a/drivers/cpufreq/imx6q-cpufreq.c +++ b/drivers/cpufreq/imx6q-cpufreq.c @@ -388,11 +388,11 @@ static int imx6q_cpufreq_probe(struct platform_device *pdev) ret = imx6ul_opp_check_speed_grading(cpu_dev); if (ret) { if (ret == -EPROBE_DEFER) - return ret; + goto put_node; dev_err(cpu_dev, "failed to read ocotp: %d\n", ret); - return ret; + goto put_node; } } else { imx6q_opp_check_speed_grading(cpu_dev); -- cgit v1.2.3-59-g8ed1b