Messages in this thread Patch in this message | | | From | Pierre-Yves MORDRET <> | Subject | [PATCH v2] i2c: i2c-stm32f7: fix no check on returned setup | Date | Wed, 21 Mar 2018 17:48:40 +0100 |
| |
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 v2: * fill "ret" with error statement before go to "clk_free" --- --- drivers/i2c/busses/i2c-stm32f7.c | 5 +++++ 1 file changed, 5 insertions(+)
diff --git a/drivers/i2c/busses/i2c-stm32f7.c b/drivers/i2c/busses/i2c-stm32f7.c index b445b3b..f273e28 100644 --- a/drivers/i2c/busses/i2c-stm32f7.c +++ b/drivers/i2c/busses/i2c-stm32f7.c @@ -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", -- 2.7.4
| |