[PATCH] signed bug in drivers/video/console/fbcon.c con2fb_map[]

drivers/video/console/fbcon.c:310: warning: comparison is always true due
to limited range of data type

char can be either signed or unsigned, depending on the target system.
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

drivers/video/console/fbcon.c

@@ -101,7 +101,7 @@
 #endif
 
 struct display fb_display[MAX_NR_CONSOLES];
-char con2fb_map[MAX_NR_CONSOLES];
+signed char con2fb_map[MAX_NR_CONSOLES];
 static int logo_height;
 static int logo_lines;
 static int logo_shown = -1;

drivers/video/console/fbcon.h

@@ -36,7 +36,7 @@ struct display {
 };
 
 /* drivers/video/console/fbcon.c */
-extern char con2fb_map[MAX_NR_CONSOLES];
+extern signed char con2fb_map[MAX_NR_CONSOLES];
 extern int set_con2fb_map(int unit, int newidx);
 
     /*