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 | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/c-user/chains.rst b/c-user/chains.rst
index f518ef4..e791d10 100644
--- a/c-user/chains.rst
+++ b/c-user/chains.rst
@@ -193,6 +193,10 @@ 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 = node->next;
+
while (!rtems_chain_is_tail (chain, node))
{
bar = (foo*) node;
--
2.30.2
_______________________________________________
devel mailing list
devel@rtems.org
http://lists.rtems.org/mailman/listinfo/devel
