Messages in this thread | | | Subject | Re: [RESEND PATCH v1] i2c: i2c-stm32f7: fix no check on returned setup | From | Alexandre Torgue <> | Date | Tue, 20 Mar 2018 10:08:11 +0100 |
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Hi Pierre-Yves
On 03/12/2018 01:53 PM, Pierre-Yves MORDRET wrote: > 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;
You have to fill "ret" with error statement before go to "clk_free"
> + }
> i2c_dev->setup = *setup; > > ret = device_property_read_u32(i2c_dev->dev, "i2c-scl-rising-time-ns", >
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