dns_query_time plugin: replace "." with "_" in dimensions

[netdata.git] / src / web_buffer.c

diff --git a/src/web_buffer.c b/src/web_buffer.c
index 6203db0f73e539066dd9aad65eb854a14ffd5bb6..9f9ceda63da26a5f3d9720c863494dabe46755b8 100644 (file)
--- a/src/web_buffer.c
+++ b/src/web_buffer.c
@@ -359,8 +359,9 @@ BUFFER *buffer_create(size_t size)
     return(b);
 }
 
-void buffer_free(BUFFER *b)
-{
+void buffer_free(BUFFER *b) {
+    if(unlikely(!b)) return;
+
     buffer_overflow_check(b);
 
     debug(D_WEB_BUFFER, "Freeing web buffer of size %zu.", b->size);