callchain - fix add_front assignment

tung7970 · tung7970 · commit 761d03f0693b · 2016-10-03T19:23:04.000+08:00
_chain should point to the new element.

Signed-off-by: Tony Wu &lt;tung7970@gmail.com&gt;
diff --git a/platform/CallChain.cpp b/platform/CallChain.cpp
@@ -45,7 +45,7 @@ pFunctionPointer_t CallChain::add(Callback<void()> func) {
 pFunctionPointer_t CallChain::add_front(Callback<void()> func) {
     CallChainLink *link = new CallChainLink(func);
     link->next = _chain;
-    _chain = link->next;
+    _chain = link;
     return &link->cb;
 }
 

Original file line number	Diff line number	Diff line change
`@@ -45,7 +45,7 @@ pFunctionPointer_t CallChain::add(Callback<void()> func) {`
`45`	`45`	`pFunctionPointer_t CallChain::add_front(Callback<void()> func) {`
`46`	`46`	`CallChainLink *link = new CallChainLink(func);`
`47`	`47`	`link->next = _chain;`
`48`		`- _chain = link->next;`
	`48`	`+ _chain = link;`
`49`	`49`	`return &link->cb;`
`50`	`50`	`}`
`51`	`51`