Messages in this thread |  | | From | Yizhuo Zhai <> | Date | Tue, 3 Sep 2019 09:21:14 -0700 | Subject | Re: [PATCH] regulator: pfuze100-regulator: Variable "val" in pfuze100_regulator_probe() could be uninitialized |
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Thanks Mark, I will send a new patch and check the return value instead.
On Tue, Sep 3, 2019 at 4:26 AM Mark Brown <broonie@kernel.org> wrote: > > On Mon, Sep 02, 2019 at 03:10:47PM -0700, Yizhuo wrote: > > In function pfuze100_regulator_probe(), variable "val" could be > > initialized if regmap_read() fails. However, "val" is used to > > decide the control flow later in the if statement, which is > > potentially unsafe. > > > struct regulator_desc *desc; > > - int val; > > + int val = 0; > > This just unconditionally assings a value to this variable which will > stop any warnings but there's no analysis explaining why this is a good > fix - are we actually forgetting to check something we should be > checking, are we sure that this is the correct value to use?
-- Kind Regards,
Yizhuo Zhai
Computer Science, Graduate Student University of California, Riverside
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