4.14-stable review patch. If anyone has any objections, please let me know.
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From: Pierre-Yves MORDRET pierre-yves.mordret@st.com
commit 771b7bf05339081019d22452ebcab6929372e13e upstream.
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 Acked-by: Alexandre TORGUE alexandre.torgue@st.com Signed-off-by: Wolfram Sang wsa@the-dreams.de Cc: stable@kernel.org Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org
--- drivers/i2c/busses/i2c-stm32f7.c | 5 +++++ 1 file changed, 5 insertions(+)
--- a/drivers/i2c/busses/i2c-stm32f7.c +++ b/drivers/i2c/busses/i2c-stm32f7.c @@ -887,6 +887,11 @@ static int stm32f7_i2c_probe(struct plat }
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",