kconfig: exit if no beginning filename

If the beginning Kconfig file is missing, config segfaults so it might as
well exit after the error message.

Signed-off-by: Randy Dunlap <rdunlap@xenotime.net>
Cc: Roman Zippel <zippel@linux-m68k.org>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>

1 files changed, 1 insertions, 0 deletions

diff --git a/scripts/kconfig/conf.c b/scripts/kconfig/conf.c
index ded5ffe184b8..4dcb8867b5f4 100644
--- a/scripts/kconfig/conf.c
+++ b/scripts/kconfig/conf.c
@@ -539,6 +539,7 @@ int main(int ac, char **av)
         name = av[i];
         if (!name) {
                 printf(_("%s: Kconfig file missing\n"), av[0]);
+                exit(1);
         }
         conf_parse(name);
         //zconfdump(stdout);