counter: defensive set to NULL in free.

diff --git a/src/counters.c b/src/counters.c
index 0b36e26dece5062ca6f2bfee3462faea32070c73..1f08c7f0b73d78cd2dfb58dd0aad9bc41c8bea8c 100644 (file)
--- a/src/counters.c
+++ b/src/counters.c
@@ -420,6 +420,7 @@ static void SCPerfReleaseOPCtx()
     }
 
     SCFree(sc_perf_op_ctx);
+    sc_perf_op_ctx = NULL;
 
     return;
 }