Re: [RFC][UPDATED PATCH 2.6.16] [Patch 9/9] Generic netlink interface for delay accounting
From: Balbir Singh
Date: Fri Mar 24 2006 - 09:56:48 EST
On Fri, Mar 24, 2006 at 09:11:58AM -0500, jamal wrote:
> On Fri, 2006-24-03 at 07:02 +0530, Balbir Singh wrote:
> > On Thu, Mar 23, 2006 at 09:04:46AM -0500, jamal wrote:
>
> > 3. nlmsg_new() now allocates for 2*u32 + sizeof(taskstats)
>
> Not the right size; the u32 covers the V part of TLV. The T = 16 bits
> and L = 16 bits. And if you nest TLVs, then it gets more interesting.
>
> Look at using proper macros instead of hard coding like you did.
> grep for something like RTA_SPACE and perhaps send a patch to make it
> generic for netlink.h
>
> cheers,
> jamal
>
My bad, but I was wondering why my test case did not segfault until
I saw the implementation of nlmsg_new :-)
I will fix this and use nla_total_size() to calculate the correct sizes
including padding and TLV.
Thanks again,
Balbir
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