Fix ust_open when passing NULL

This prevents an error message ("Failed to open ust trace file:") when --ust-trace is not specified.
pulp-platform · Oct 19, 2018 · 9a0f621 · 9a0f621
1 parent 9a4ef86
commit 9a0f621
Showing 1 changed file with 2 additions and 0 deletions.
diff --git a/riscv/ust_tracer.cc b/riscv/ust_tracer.cc
@@ -17,6 +17,8 @@ static bool has_output_header = false;
 
 void ust_open(const char *filename)
 {
+  if(!filename)
+    return;
   s_trace = fopen(filename, "w");
   if (!s_trace)
     fprintf(stderr, "Failed to open ust trace file %s: %s",