Fix the case where the user selects no modules in Kconfig at all.

Until now, the build would break, and even if it didn't the ELF would
triple-fault in QEMU.

Signed-off-by: Uwe Hermann <uwe@hermann-uwe.de>
Acked-by: Stefan Reinauer <stepan@coresystems.de>
git-svn-id: svn://svn.coreboot.org/coreboot/trunk@3216 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1

diff --git a/payloads/coreinfo/coreinfo.c b/payloads/coreinfo/coreinfo.c
index a683c8796ae0d25901bbbfa0868718bf1d77f4d4..40c4d07cba1172239cb01177182212ae24cf5e56 100644 (file)
--- a/payloads/coreinfo/coreinfo.c
+++ b/payloads/coreinfo/coreinfo.c
@@ -72,7 +72,8 @@ static void print_menu(void)
        for (i = 0; i < ARRAY_SIZE(modules); i++)
                ptr += sprintf(ptr, "F%d: %s ", i + 1, modules[i]->name);
 
-       mvprintw(23, 0, menu);
+       if (ARRAY_SIZE(modules) != 0)
+               mvprintw(23, 0, menu);
 
 #ifdef CONFIG_SHOW_DATE_TIME
        mvprintw(23, 59, "%02d/%02d/20%02d - %02d:%02d:%02d",
@@ -121,6 +122,9 @@ static void header(int row, const char *str)
 
 static void redraw_module(void)
 {
+       if (ARRAY_SIZE(modules) == 0)
+               return;
+
        wclear(modwin);
        modules[curwin]->redraw(modwin);
        refresh();
@@ -133,7 +137,8 @@ static void loop(void)
        center(0, "coreinfo v0.1");
 
        print_menu();
-       modules[curwin]->redraw(modwin);
+       if (ARRAY_SIZE(modules) != 0)
+               modules[curwin]->redraw(modwin);
        refresh();
 
        while (1) {
@@ -145,14 +150,16 @@ static void loop(void)
                if (key >= KEY_F(1) && key <= KEY_F(9)) {
                        unsigned char ch = key - KEY_F(1);
 
-                       if (ch < ARRAY_SIZE(modules)) {
+                       if (ch <= ARRAY_SIZE(modules)) {
+                               if (ch == ARRAY_SIZE(modules))
+                                       continue;
                                curwin = ch;
                                redraw_module();
                                continue;
                        }
                }
 
-               if (modules[curwin]->handle)
+               if (ARRAY_SIZE(modules) != 0 && modules[curwin]->handle)
                        if (modules[curwin]->handle(key))
                                redraw_module();
        }