syslog-ng: Fix memory leak when udp connection is used [ LIN7-1379 ]

When udp connection is used, there are several memory leaks happen
after run a long time.

Signed-off-by: Xufeng Zhang <xufeng.zhang@windriver.com>
Signed-off-by: Roy Li <rongqing.li@windriver.com>
Signed-off-by: Martin Jansa <Martin.Jansa@gmail.com>

1 files changed, 17 insertions, 0 deletions

diff --git a/meta-oe/recipes-support/syslog-ng/files/rewrite-expr-grammar.ym-Free-up-token.patch b/meta-oe/recipes-support/syslog-ng/files/rewrite-expr-grammar.ym-Free-up-token.patch
new file mode 100644
index 0000000000..1951af9fcc
--- /dev/null
+++ b/meta-oe/recipes-support/syslog-ng/files/rewrite-expr-grammar.ym-Free-up-token.patch
@@ -0,0 +1,17 @@
+rewrite-expr-grammar.ym: Free up token.
+
+Upsteam-Status: Backport
+
+Reported-by: Xufeng Zhang <xufeng.zhang@windriver.com>
+Signed-off-by: Viktor Tusa <tusavik@gmail.com>
+---
+--- a/lib/rewrite/rewrite-expr-grammar.ym
++++ b/lib/rewrite/rewrite-expr-grammar.ym
+@@ -78,6 +78,7 @@
+ 
+            $$ = log_template_new(configuration, $1);
+            CHECK_ERROR(log_template_compile($$, $1, &error), @1, "Error compiling template (%s)", error->message);
++            free($1);
+          }
+        ;
+