diff --git a/gpio/Makefile b/gpio/Makefile
index 6b8f838..67eb45a 100644
--- a/gpio/Makefile
+++ b/gpio/Makefile
@@ -72,6 +72,7 @@ tags:	$(SRC)
 .PHONY:	install
 install: gpio
 	$Q echo "[Install]"
+	$Q mkdir -p		$(DESTDIR)$(PREFIX)/bin
 	$Q cp gpio		$(DESTDIR)$(PREFIX)/bin
 ifneq ($(WIRINGPI_SUID),0)
 	$Q chown root.root	$(DESTDIR)$(PREFIX)/bin/gpio
diff --git a/wiringPi/drcNet.c b/wiringPi/drcNet.c
index 0964ff7..0aa8a4f 100644
--- a/wiringPi/drcNet.c
+++ b/wiringPi/drcNet.c
@@ -76,12 +76,12 @@ static int remoteReadline (int fd, char *buf, int max)
 
 static char *getChallenge (int fd)
 {
-  static char buf [1024] ;
+  static char buf [512] ;
   int num ;
 
   for (;;)
   {
-    if ((num = remoteReadline (fd, buf, 1023)) < 0)
+    if ((num = remoteReadline (fd, buf, 511)) < 0)
       return NULL ;
     buf [num] = 0 ;
 
diff --git a/wiringPi/wiringPi.c b/wiringPi/wiringPi.c
index 1c929d4..e97d6fd 100644
--- a/wiringPi/wiringPi.c
+++ b/wiringPi/wiringPi.c
@@ -2256,10 +2256,6 @@ int wiringPiSetup (void)
   int   fd ;
   int   model, rev, mem, maker, overVolted ;
 
-// It's actually a fatal error to call any of the wiringPiSetup routines more than once,
-//	(you run out of file handles!) but I'm fed-up with the useless twats who email
-//	me bleating that there is a bug in my code, so screw-em.
-
   if (wiringPiSetuped)
     return 0 ;