* [PATCH] regulator: tps65217: Fix NULL pointer dereference on probe
@ 2018-07-27 13:59 Anton Vasilyev
0 siblings, 0 replies; only message in thread
From: Anton Vasilyev @ 2018-07-27 13:59 UTC (permalink / raw)
To: Tony Lindgren
Cc: Anton Vasilyev, Liam Girdwood, Mark Brown, linux-omap,
linux-kernel, ldv-project
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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2018-07-27 13:59 [PATCH] regulator: tps65217: Fix NULL pointer dereference on probe Anton Vasilyev
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