Messages in this thread | | | Date | Thu, 11 Apr 2013 12:27:18 +0800 | From | Chen Gang <> | Subject | Re: [PATCH] kernel: kallsyms: parameters checking, for EXPORT_SYMBOL_GPL functions |
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On 2013年04月11日 10:52, Rusty Russell wrote: >>> >> Or is someone already doing this? >>> >> >> > >> > really has: >> > >> > kernel: __wake_up_sync_key in kernel/sched/core.c. >> > lib: *printf. >> > mm: kfree. > No, I mean "is someone calling these functions with NULL". > > Cheers, > Rusty. > >
often "kfree(NULL)", that is ok. it will let caller easier using it. also often give 0 size to snprintf, it still let caller easy using.
if we treat EXPORT functions of kallsyms as commonly used (or we want to) I suggest to give parameter check for them.
thanks.
:-)
-- Chen Gang
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