kfree(0) - ok?

[Tim Bird]

Hi all,

I have a quick question.

I'm trying to resurrect a patch from the Linux-tiny patch suite,
to do accounting of kmalloc memory allocations.  In testing it
with Linux 2.6.22, I've found a large number of kfrees of
NULL pointers.

Is this considered OK?  Or should I examine the offenders
to see if something is coded badly?

Thanks,
 -- Tim

=============================
Tim Bird
Architecture Group Chair, CE Linux Forum
Senior Staff Engineer, Sony Corporation of America
=============================

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