From 6e37b318510d66fc6ec7e94f350062279b242afb Mon Sep 17 00:00:00 2001
From: Aidan MacDonald <amachronic@protonmail.com>
Date: Mon, 2 May 2022 16:42:26 +0100
Subject: apps: fix use of negative fd in open_plugin.c

Bug reported by UBSan.

Change-Id: I3223a496dfa5df4e3df97fb88a14ea0174d4b428
---
 apps/open_plugin.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/apps/open_plugin.c b/apps/open_plugin.c
index f7f55d58cd..fad528e215 100644
--- a/apps/open_plugin.c
+++ b/apps/open_plugin.c
@@ -222,6 +222,8 @@ static int op_get_entry(uint32_t hash, int32_t lang_id,
         logf("OP get_entry hash: %x lang id: %d db: %s", hash, lang_id, dat_file);
 
         int fd = open(dat_file, O_RDONLY);
+        if(fd < 0)
+            return OPEN_PLUGIN_NOT_FOUND;
         opret = op_find_entry(fd, entry, hash, lang_id);
         close(fd);
     }
-- 
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