Re: [PATCH] net: sched: One function call less in em_meta_change() after error detection

From: SF Markus Elfring
Date: Wed Feb 04 2015 - 04:54:31 EST


>> The meta_delete() function could be called in four cases by the
>> em_meta_change() function during error handling even if the passed
>> variable "meta" contained still a null pointer.
>>
>> * This implementation detail could be improved by adjustments for jump labels.
>>
>> * Let us return immediately after the first failed function call according to
>> the current Linux coding style convention.
>>
>> * Let us delete also unnecessary checks for the variables "err" and
>> "meta" there.
>
> I kind of like the way the code is now, branching to the end of the function
> even when cleanups are not necessary.

I would appreciate if the affected exception handling can become also
a bit more efficient.

Regards,
Markus

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