[OpenBIOS] [patch 3/6] Allow NULL dlabel path argument without accessing page zero.

[Igor Kovalenko]

Index: openbios-devel/modules/disk-label.c
===================================================================
--- openbios-devel.orig/modules/disk-label.c
+++ openbios-devel/modules/disk-label.c
@@ -57,7 +57,7 @@ dlabel_close( dlabel_info_t *di )
 static void
 dlabel_open( dlabel_info_t *di )
 {
-	char *s, *filename;
+	const char *s, *filename;
    char *path;
    char block0[512];
    phandle_t ph;
@@ -65,6 +65,9 @@ dlabel_open( dlabel_info_t *di )
    xt_t xt;

path = my_args_copy();
+	if (!path) {
+		path = strdup("");
+	}
    DPRINTF("dlabel-open '%s'\n", path );

/* open disk interface */