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authorPierre-Yves MORDRET <pierre-yves.mordret@st.com>2018-03-21 17:48:40 +0100
committerWolfram Sang <wsa@the-dreams.de>2018-03-24 13:37:41 +0100
commit771b7bf05339081019d22452ebcab6929372e13e (patch)
tree256eef8aa766a67f969c36349520ba73cfd6160b /drivers/i2c
parentc698ca5278934c0ae32297a8725ced2e27585d7f (diff)
downloadlinux-771b7bf05339081019d22452ebcab6929372e13e.tar.bz2
i2c: i2c-stm32f7: fix no check on returned setup
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
Diffstat (limited to 'drivers/i2c')
-rw-r--r--drivers/i2c/busses/i2c-stm32f7.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/i2c/busses/i2c-stm32f7.c b/drivers/i2c/busses/i2c-stm32f7.c
index b445b3bb0bb1..f273e28c39db 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",