[Qemu-devel] [PATCH 08/12] json-lexer: make it safe to call multiple times

[Marc-André Lureau]

We can easily avoid the burden of checking if the lexer was
initialized prior to calling destroy by the caller, let's do it.

This allows simplification in state tracking in later patches of the
qmp-async RFC series.

Signed-off-by: Marc-André Lureau <address@hidden>
---
 qobject/json-lexer.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/qobject/json-lexer.c b/qobject/json-lexer.c
index 980ba159d6..0eaba43a2c 100644
--- a/qobject/json-lexer.c
+++ b/qobject/json-lexer.c
@@ -386,5 +386,8 @@ int json_lexer_flush(JSONLexer *lexer)
 
 void json_lexer_destroy(JSONLexer *lexer)
 {
-    g_string_free(lexer->token, true);
+    if (lexer->token) {
+        g_string_free(lexer->token, true);
+        lexer->token = NULL;
+    }
 }
-- 
2.18.0.rc1