--- embedtools/src/ub_env.c	2014/01/28 22:50:37	1.1.2.6
+++ embedtools/src/ub_env.c	2014/01/28 23:04:42	1.1.2.7
@@ -8,9 +8,10 @@ env_t *env;
 static int
 ub_flash_io(const char *csSec, int mode)
 {
-	int f, rlen, ret = 0;
+	int f, l, rlen;
 	const char *str;
 	size_t siz;
+	ait_val_t v;
 
 	FTRACE(4);
 
@@ -24,9 +25,20 @@ ub_flash_io(const char *csSec, int mode)
 		return -1;
 	}
 
+	cfg_loadAttribute(&cfg, "ube", "lock", &v, UBE_LOCK);
+	l = open(AIT_GET_STR(&v), 0644, O_CREAT | O_EXCL | O_WRONLY);
+	if (l == -1) {
+		printf("Error:: Locked u-boot-env map!\n");
+		AIT_FREE_VAL(&v);
+		return -1;
+	}
+
 	f = open(str, mode);
 	if (f == -1) {
 		printf("Error:: Can't access u-boot-env device %s\n", str);
+		close(l);
+		unlink(AIT_GET_STR(&v));
+		AIT_FREE_VAL(&v);
 		return -1;
 	}
 
@@ -46,7 +58,10 @@ ub_flash_io(const char *csSec, int mode)
 		VERB(3) printf("Readed %d bytes\n", rlen);
 
 	close(f);
-	return ret;
+	close(l);
+	unlink(AIT_GET_STR(&v));
+	AIT_FREE_VAL(&v);
+	return 0;
 }
 
 int
@@ -68,7 +83,7 @@ ub_load(const char *csSec)
 		return -1;
 	}
 
-	return 0;
+	return ub_flash_io(csSec, O_RDONLY);
 }
 
 void