linux-kernel - [PATCH] regulator: tps65218: Add NULL test for devm

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Message-Id: <20171113125232.9672-1-axel.lin@ingics.com>
Date:   Mon, 13 Nov 2017 20:52:32 +0800
From:   Axel Lin <axel.lin@...ics.com>
To:     Mark Brown <broonie@...nel.org>
Cc:     Keerthy <j-keerthy@...com>, Liam Girdwood <lgirdwood@...il.com>,
        linux-kernel@...r.kernel.org, Axel Lin <axel.lin@...ics.com>
Subject: [PATCH] regulator: tps65218: Add NULL test for devm_kzalloc call

Signed-off-by: Axel Lin <axel.lin@...ics.com>
---
 drivers/regulator/tps65218-regulator.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/regulator/tps65218-regulator.c b/drivers/regulator/tps65218-regulator.c
index bc489958fed7..b3f89ebfb1a0 100644
--- a/drivers/regulator/tps65218-regulator.c
+++ b/drivers/regulator/tps65218-regulator.c
@@ -329,6 +329,8 @@ static int tps65218_regulator_probe(struct platform_device *pdev)
 	/* Allocate memory for strobes */
 	tps->strobes = devm_kzalloc(&pdev->dev, sizeof(u8) *
 				    TPS65218_NUM_REGULATOR, GFP_KERNEL);
+	if (!tps->strobes)
+		return -ENOMEM;
 
 	for (i = 0; i < ARRAY_SIZE(regulators); i++) {
 		rdev = devm_regulator_register(&pdev->dev, &regulators[i],
-- 
2.11.0