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i2c: i2c-stm32f7: fix no check on returned setup

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Before assigning returned setup structure check if not null

Fixes: 463a9215f3 ("i2c: stm32f7: fix setup structure")
Signed-off-by: Pierre-Yves MORDRET <[email protected]>
Acked-by: Alexandre TORGUE <[email protected]>
Signed-off-by: Wolfram Sang <[email protected]>
Cc: [email protected]
This commit is contained in:
Pierre-Yves MORDRET 2018-03-21 17:48:40 +01:00 • committed by Wolfram Sang
commit 771b7bf053
1 changed files with 5 additions and 0 deletions
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5
drivers/i2c/busses/i2c-stm32f7.c
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@ -888,6 +888,11 @@ static int stm32f7_i2c_probe(struct platform_device *pdev)
}
setup = of_device_get_match_data(&pdev->dev);
if (!setup) {
dev_err(&pdev->dev, "Can't get device data\n");
ret = -ENODEV;
goto clk_free;
}
i2c_dev->setup = *setup;
ret = device_property_read_u32(i2c_dev->dev, "i2c-scl-rising-time-ns",