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Subject[PATCH] i2c: i2c-stm32f7: fix no check on returned setup
Date
Before assigning returned setup structure check if not null

Fixes: 463a9215f3ca7600b5ff ("i2c: stm32f7: fix setup structure")
Signed-off-by: Pierre-Yves MORDRET <pierre-yves.mordret@st.com>
---
Version history:
v1:
* Initial
---
---
drivers/i2c/busses/i2c-stm32f7.c | 4 ++++
1 file changed, 4 insertions(+)

diff --git a/drivers/i2c/busses/i2c-stm32f7.c b/drivers/i2c/busses/i2c-stm32f7.c
index b445b3b..16c7d77 100644
--- a/drivers/i2c/busses/i2c-stm32f7.c
+++ b/drivers/i2c/busses/i2c-stm32f7.c
@@ -888,6 +888,10 @@ 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");
+ goto clk_free;
+ }
i2c_dev->setup = *setup;

ret = device_property_read_u32(i2c_dev->dev, "i2c-scl-rising-time-ns",
--
2.7.4
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