commit 11de39e2fbbc592018e0a231d0ee773653dcc8d6
author Marcin Garski <mgarski@post.pl> Sat May 05 22:49:00 2007 +0200
committer Sam Ravnborg <sam@ravnborg.org> Sun May 06 09:27:15 2007 +0200
tree b924f942d4bb696669dbd572c4708a173953dec7
parent 767e581d759fe6adfef5e676cd1cd8e11f603d1a

kconfig: fix mconf segmentation fault

I have found small bug in mconf, when you run it without any argument it
will sigsegv.

Without patch:
$ scripts/kconfig/mconf
Segmentation fault

With patch:
$ scripts/kconfig/mconf
can't find file (null)

Signed-off-by: Marcin Garski <mgarski@post.pl>
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>

scripts/kconfig/zconf.l

diff --git a/scripts/kconfig/zconf.l b/scripts/kconfig/zconf.l
index cfa4607..187d38c 100644
--- a/scripts/kconfig/zconf.l
+++ b/scripts/kconfig/zconf.l
@@ -265,7 +265,7 @@
 	FILE *f;
 
 	f = fopen(name, "r");
-	if (!f && name[0] != '/') {
+	if (!f && name != NULL && name[0] != '/') {
 		env = getenv(SRCTREE);
 		if (env) {
 			sprintf(fullname, "%s/%s", env, name);