Re: [RFC][UPDATED PATCH 2.6.16] [Patch 9/9] Generic netlink interface for delay accounting

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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• References:
  • [Patch 0/9] Per-task delay accounting
    • From: Shailabh Nagar <[email protected]>
  • [Patch 9/9] Generic netlink interface for delay accounting
    • From: Shailabh Nagar <[email protected]>
  • Re: [Patch 9/9] Generic netlink interface for delay accounting
    • From: Matt Helsley <[email protected]>
  • Re: [Patch 9/9] Generic netlink interface for delay accounting
    • From: jamal <[email protected]>
  • [RFC][UPDATED PATCH 2.6.16] [Patch 9/9] Generic netlink interface for delay accounting
    • From: Balbir Singh <[email protected]>
  • Re: [RFC][UPDATED PATCH 2.6.16] [Patch 9/9] Generic netlink interface for delay accounting
    • From: jamal <[email protected]>
  • Re: [RFC][UPDATED PATCH 2.6.16] [Patch 9/9] Generic netlink interface for delay accounting
    • From: Balbir Singh <[email protected]>
  • Re: [RFC][UPDATED PATCH 2.6.16] [Patch 9/9] Generic netlink interface for delay accounting
    • From: jamal <[email protected]>

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