Messages in this thread Patch in this message | | | From | Anton Vasilyev <> | Subject | [PATCH] regulator: tps65217: Fix NULL pointer dereference on probe | Date | Fri, 27 Jul 2018 16:59:29 +0300 |
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There is no check that tps->strobes is allocated successfully in tps65217_regulator_probe(). The patch adds corresponding check.
Found by Linux Driver Verification project (linuxtesting.org).
Signed-off-by: Anton Vasilyev <vasilyev@ispras.ru> --- drivers/regulator/tps65217-regulator.c | 2 ++ 1 file changed, 2 insertions(+)
diff --git a/drivers/regulator/tps65217-regulator.c b/drivers/regulator/tps65217-regulator.c index fc12badf3805..d84fab616abf 100644 --- a/drivers/regulator/tps65217-regulator.c +++ b/drivers/regulator/tps65217-regulator.c @@ -232,6 +232,8 @@ static int tps65217_regulator_probe(struct platform_device *pdev) tps->strobes = devm_kcalloc(&pdev->dev, TPS65217_NUM_REGULATOR, sizeof(u8), GFP_KERNEL); + if (!tps->strobes) + return -ENOMEM; platform_set_drvdata(pdev, tps); -- 2.18.0
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