unused warning

diff --git a/src/lib/platform/posix/serialport.cpp b/src/lib/platform/posix/serialport.cpp
index 7eb695dc59429327c68268dc82c0148cf223a7ac..1e0e364fc8eb2dd5a98738117bd44730b34c5f23 100644 (file)
--- a/src/lib/platform/posix/serialport.cpp
+++ b/src/lib/platform/posix/serialport.cpp
@@ -61,8 +61,7 @@ inline bool RemoveLock(const char *strDeviceName)
   #if !defined(__APPLE__) && !defined(__FreeBSD__) && defined(HAVE_LOCKDEV)
   return dev_unlock(strDeviceName, 0) == 0;
   #else
-  void *tmp = (void*)strDeviceName; // silence unused warning
-  tmp = NULL;
+  (void)strDeviceName; // silence unused warning
   return true;
   #endif
 }