4.15-stable review patch. If anyone has any objections, please let me know.
------------------
From: Pierre-Yves MORDRET <pierre-yves.mord...@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.mord...@st.com>
Acked-by: Alexandre TORGUE <alexandre.tor...@st.com>
Signed-off-by: Wolfram Sang <w...@the-dreams.de>
Cc: sta...@kernel.org
Signed-off-by: Greg Kroah-Hartman <gre...@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
@@ -888,6 +888,11 @@ 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",
