[PATCH] namespace pollution in HDLC driver

From:  Arnd Bergmann <arnd@bergmann-dalldorf.de>

  A global variable should not be called 'debuglevel'. It can
  be made static since it is only used in one file.

drivers/char/n_hdlc.c

@@ -185,10 +185,10 @@ MODULE_PARM(maxframe, "i");
 
 /* debug level can be set by insmod for debugging purposes */
 #define DEBUG_LEVEL_INFO	1
-int debuglevel=0;
+static int debuglevel;
 
 /* max frame size for memory allocations */
-ssize_t	maxframe=4096;
+static ssize_t	maxframe=4096;
 
 /* TTY callbacks */