linux-kernel - [PATCH 4.17 009/324] clocksource/drivers/stm32: Fix error return code

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Message-Id: <20180823074956.401371103@linuxfoundation.org>
Date:   Thu, 23 Aug 2018 09:51:15 +0200
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org, Julia Lawall <Julia.Lawall@...6.fr>,
        Thomas Gleixner <tglx@...utronix.de>,
        Daniel Lezcano <daniel.lezcano@...aro.org>,
        kernel-janitors@...r.kernel.org,
        Maxime Coquelin <mcoquelin.stm32@...il.com>,
        Alexandre Torgue <alexandre.torgue@...com>,
        linux-arm-kernel@...ts.infradead.org,
        Sasha Levin <alexander.levin@...rosoft.com>
Subject: [PATCH 4.17 009/324] clocksource/drivers/stm32: Fix error return code

4.17-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Julia Lawall <Julia.Lawall@...6.fr>

[ Upstream commit a26ed66c20f080c510fcf5bd448bce204f2c19d7 ]

Return an error code on failure.

Problem found using Coccinelle.

Signed-off-by: Julia Lawall <Julia.Lawall@...6.fr>
Signed-off-by: Thomas Gleixner <tglx@...utronix.de>
Cc: Daniel Lezcano <daniel.lezcano@...aro.org>
Cc: kernel-janitors@...r.kernel.org
Cc: Maxime Coquelin <mcoquelin.stm32@...il.com>
Cc: Alexandre Torgue <alexandre.torgue@...com>
Cc: linux-arm-kernel@...ts.infradead.org
Link: https://lkml.kernel.org/r1528640655-18948-3-git-send-email-Julia.Lawall@lip6.fr
Signed-off-by: Sasha Levin <alexander.levin@...rosoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
---
 drivers/clocksource/timer-stm32.c |    4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

--- a/drivers/clocksource/timer-stm32.c
+++ b/drivers/clocksource/timer-stm32.c
@@ -304,8 +304,10 @@ static int __init stm32_timer_init(struc
 
 	to->private_data = kzalloc(sizeof(struct stm32_timer_private),
 				   GFP_KERNEL);
-	if (!to->private_data)
+	if (!to->private_data) {
+		ret = -ENOMEM;
 		goto deinit;
+	}
 
 	rstc = of_reset_control_get(node, NULL);
 	if (!IS_ERR(rstc)) {