From: Richard Mudgett <rmudgett@digium.com>
Date: Tue, 1 May 2012 22:00:11 +0000 (+0000)
Subject: * Fix error path resouce leak in local_request().
X-Git-Tag: 11.0.0-beta1~365
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=2b7e1affacbfc6cc981e3a5257e9c0c32548f971;p=thirdparty%2Fasterisk.git

* Fix error path resouce leak in local_request().

* Restructure local_request() to reduce indentation.
........

Merged revisions 364840 from http://svn.asterisk.org/svn/asterisk/branches/1.8
........

Merged revisions 364845 from http://svn.asterisk.org/svn/asterisk/branches/10


git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@364846 65c4cc65-6c06-0410-ace0-fbb531ad65f3
---

diff --git a/channels/chan_local.c b/channels/chan_local.c
index 069f44a2e9..1a8ea17ecd 100644
--- a/channels/chan_local.c
+++ b/channels/chan_local.c
@@ -1176,20 +1176,26 @@ static struct ast_channel *local_new(struct local_pvt *p, int state, const char
 /*! \brief Part of PBX interface */
 static struct ast_channel *local_request(const char *type, struct ast_format_cap *cap, const struct ast_channel *requestor, const char *data, int *cause)
 {
-	struct local_pvt *p = NULL;
-	struct ast_channel *chan = NULL;
+	struct local_pvt *p;
+	struct ast_channel *chan;
 
 	/* Allocate a new private structure and then Asterisk channel */
-	if ((p = local_alloc(data, cap))) {
-		if (!(chan = local_new(p, AST_STATE_DOWN, requestor ? ast_channel_linkedid(requestor) : NULL))) {
-			ao2_unlink(locals, p);
-		}
-		if (chan && ast_channel_cc_params_init(chan, requestor ? ast_channel_get_cc_config_params((struct ast_channel *)requestor) : NULL)) {
-			chan = ast_channel_release(chan);
-			ao2_unlink(locals, p);
-		}
-		ao2_ref(p, -1); /* kill the ref from the alloc */
+	p = local_alloc(data, cap);
+	if (!p) {
+		return NULL;
+	}
+	chan = local_new(p, AST_STATE_DOWN, requestor ? ast_channel_linkedid(requestor) : NULL);
+	if (!chan) {
+		ao2_unlink(locals, p);
+	} else if (ast_channel_cc_params_init(chan, requestor ? ast_channel_get_cc_config_params((struct ast_channel *)requestor) : NULL)) {
+		ao2_unlink(locals, p);
+		p->owner = ast_channel_release(p->owner);
+		ast_module_user_remove(p->u_owner);
+		p->chan = ast_channel_release(p->chan);
+		ast_module_user_remove(p->u_chan);
+		chan = NULL;
 	}
+	ao2_ref(p, -1); /* kill the ref from the alloc */
 
 	return chan;
 }