RE: linux-4.1-rc7/drivers/irqchip/irq-renesas-intc-irqpin.c:418: array index used before limits check ?

[David Binderman]

Hello there Thomas,

----------------------------------------
>> [linux-4.1-rc7/drivers/irqchip/irq-renesas-intc-irqpin.c:418]: (style) Array ind
>> ex 'k' is used before limits check.
>>
>>    if (!io[k] && k < INTC_IRQPIN_REG_NR_MANDATORY) {
>>
>> Suggest sanity check array index before use.
>
> Which version of gcc is being stupid here?

None of them. 

The original "(style)" message is from a static analysis tool called cppcheck.

I can't think of a situation where, if an array index needs checking, then
it should be checked *after* use.


Regards

David Binderman


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