On Thu, Mar 9, 2023 at 1:01 AM Sebastian Huber < sebastian.hu...@embedded-brains.de> wrote:
> > > On 09.03.23 03:33, Kinsey Moore wrote: > > Casting the node returned by rtems_chain_head is incorrect. That node is > > owned by the control structure and use of it post-cast could cause > > memory corruption. > > --- > > c-user/chains.rst | 6 +++++- > > 1 file changed, 5 insertions(+), 1 deletion(-) > > > > diff --git a/c-user/chains.rst b/c-user/chains.rst > > index f518ef4..2044966 100644 > > --- a/c-user/chains.rst > > +++ b/c-user/chains.rst > > @@ -193,10 +193,14 @@ placed on another chain: > > rtems_chain_initialize_empty (out); > > > > node = rtems_chain_head (chain); > > + > > + /* The node returned by rtems_chain_head() is owned by the > chain */ > > + node = rtems_chain_next(node); > > You can simply use rtems_chain_first() instead of this head/next > combination. > Thanks, I'll make that improvement before committing! Kinsey
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