From: Corey Farrell <git@cfware.com>
Date: Tue, 21 Apr 2015 20:17:33 +0000 (-0400)
Subject: Check for ao2_alloc failure in __ast_channel_internal_alloc.
X-Git-Tag: 13.4.0-rc1~97^2
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=refs%2Fchanges%2F89%2F189%2F1;p=thirdparty%2Fasterisk.git

Check for ao2_alloc failure in __ast_channel_internal_alloc.

Fix a crash that could occur in __ast_channel_internal_alloc if
ao2_alloc fails.

ASTERISK-24991 #close

Change-Id: I4ca89189eb22f907408cb87d0a1645cfe1314a90
---

diff --git a/main/channel_internal_api.c b/main/channel_internal_api.c
index 624bdd1cb1..835b9ce374 100644
--- a/main/channel_internal_api.c
+++ b/main/channel_internal_api.c
@@ -1457,6 +1457,10 @@ struct ast_channel *__ast_channel_internal_alloc(void (*destructor)(void *obj),
 	tmp = ao2_alloc(sizeof(*tmp), destructor);
 #endif
 
+	if (!tmp) {
+		return NULL;
+	}
+
 	if ((ast_string_field_init(tmp, 128))) {
 		return ast_channel_unref(tmp);
 	}