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-rw-r--r--trace/control.h4
1 files changed, 2 insertions, 2 deletions
diff --git a/trace/control.h b/trace/control.h
index dfd209edd8..6754bfe052 100644
--- a/trace/control.h
+++ b/trace/control.h
@@ -197,11 +197,11 @@ extern QemuOptsList qemu_trace_opts;
 
 /**
  * trace_opt_parse:
- * @optarg: A string argument of --trace command line argument
+ * @optstr: A string argument of --trace command line argument
  *
  * Initialize tracing subsystem.
  */
-void trace_opt_parse(const char *optarg);
+void trace_opt_parse(const char *optstr);
 
 /**
  * trace_get_vcpu_event_count: