From a8c62414373177d8dda554adde97312f50bb8468 Mon Sep 17 00:00:00 2001
From: Felix Fietkau <nbd@openwrt.org>
Date: Fri, 21 Oct 2011 15:15:24 +0200
Subject: [PATCH] cli: check against multiple -f invocations to avoid leaks
 (patch by Stanislav Fomichev)

---
 cli.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/cli.c b/cli.c
index 54f9484..196a83e 100644
--- a/cli.c
+++ b/cli.c
@@ -633,6 +633,11 @@ int main(int argc, char **argv)
 				delimiter = optarg;
 				break;
 			case 'f':
+				if (input != stdin) {
+					perror("uci");
+					return 1;
+				}
+
 				input = fopen(optarg, "r");
 				if (!input) {
 					perror("uci");
-- 
2.25.1