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Date:   Sat, 9 Mar 2019 21:19:58 +0800
From:   Yue Haibing <yuehaibing@...wei.com>
To:     <michal.simek@...inx.com>, <daniel.lezcano@...aro.org>,
        <tglx@...utronix.de>
CC:     <linux-kernel@...r.kernel.org>,
        <linux-arm-kernel@...ts.infradead.org>,
        YueHaibing <yuehaibing@...wei.com>
Subject: [PATCH] clocksource: cadence_ttc: fix memory leak in ttc_setup_clockevent

From: YueHaibing <yuehaibing@...wei.com>

Add the missing kfree() in ttc_setup_clockevent() to free the
mem before error return.

Fixes: 70504f311d4b ("clocksource/drivers/cadence_ttc: Convert init function to return error")
Signed-off-by: YueHaibing <yuehaibing@...wei.com>
---
 drivers/clocksource/timer-cadence-ttc.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/clocksource/timer-cadence-ttc.c b/drivers/clocksource/timer-cadence-ttc.c
index b334029..b664af8 100644
--- a/drivers/clocksource/timer-cadence-ttc.c
+++ b/drivers/clocksource/timer-cadence-ttc.c
@@ -432,6 +432,7 @@ static int __init ttc_setup_clockevent(struct clk *clk,
 				    &ttcce->ttc.clk_rate_change_nb);
 	if (err) {
 		pr_warn("Unable to register clock notifier.\n");
+		kfree(ttcce);
 		return err;
 	}
 
-- 
2.7.0


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