[NFC] Return on SANITIZER_MIPS && !IsValidFrame

llvm-svn: 355372

Author: vitalybuka

compiler-rt/lib/asan/asan_stack.cc

@@ -42,12 +42,12 @@ void __sanitizer::BufferedStackTrace::UnwindImpl(
     uptr stack_top = t->stack_top();
     uptr stack_bottom = t->stack_bottom();
     ScopedUnwinding unwind_scope(t);
-    if (!SANITIZER_MIPS || IsValidFrame(bp, stack_top, stack_bottom)) {
-      if (StackTrace::WillUseFastUnwind(request_fast))
-        Unwind(max_depth, pc, bp, nullptr, stack_top, stack_bottom, true);
-      else
-        Unwind(max_depth, pc, bp, context, 0, 0, false);
-    }
+    if (SANITIZER_MIPS && !IsValidFrame(bp, stack_top, stack_bottom))
+      return;
+    if (StackTrace::WillUseFastUnwind(request_fast))
+      Unwind(max_depth, pc, bp, nullptr, stack_top, stack_bottom, true);
+    else
+      Unwind(max_depth, pc, bp, context, 0, 0, false);
   } else if (!t && !request_fast) {
     /* If GetCurrentThread() has failed, try to do slow unwind anyways. */
     Unwind(max_depth, pc, bp, context, 0, 0, false);