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| author | Anton Vasilyev <vasilyev@ispras.ru> | 2018-07-27 16:59:29 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2018-09-19 22:41:33 +0200 |
| commit | 9d8c6300d1585e7f97f2b0e371659e5a5c0bc510 (patch) | |
| tree | 9ae294d785d0f6dc587c70b2655d3437a548ff82 | |
| parent | 0d268eaecd3d352addefddacc3f1854257d6af5c (diff) | |
| download | linux-stable-9d8c6300d1585e7f97f2b0e371659e5a5c0bc510.tar.gz linux-stable-9d8c6300d1585e7f97f2b0e371659e5a5c0bc510.tar.bz2 linux-stable-9d8c6300d1585e7f97f2b0e371659e5a5c0bc510.zip | |
regulator: tps65217: Fix NULL pointer dereference on probe
[ Upstream commit 4f919ca2bf6da826ba1a4316e1b8e9c94e5dbeb2 ]
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>
Signed-off-by: Sasha Levin <alexander.levin@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
| -rw-r--r-- | drivers/regulator/tps65217-regulator.c | 2 |
1 files changed, 2 insertions, 0 deletions
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); |