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regulator: tps65217: Fix NULL pointer dereference on probe

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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>
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Anton Vasilyev 2018-07-27 16:59:29 +03:00 committed by Mark Brown
parent 6c0b319c03
commit 4f919ca2bf
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GPG key ID: 24D68B725D5487D0
1 changed files with 2 additions and 0 deletions
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drivers/regulator/tps65217-regulator.c
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@ -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);