From 342d3ac165680197efe7973efbe08f7eb12b6b11 Mon Sep 17 00:00:00 2001
From: "Thomas H. P. Andersen" <phomes@gmail.com>
Date: Thu, 27 Oct 2016 03:22:26 +0200
Subject: hwdb: fix error check of wrong variable (#4499)

We updated 'fn' but checked 'v' instead.

From 698c5a17

Spotted with PVS
---
 src/hwdb/hwdb.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/hwdb/hwdb.c b/src/hwdb/hwdb.c
index be4ef5f9e9..ab1feb435b 100644
--- a/src/hwdb/hwdb.c
+++ b/src/hwdb/hwdb.c
@@ -172,8 +172,8 @@ static int trie_node_add_value(struct trie *trie, struct trie_node *node,
         if (v < 0)
                 return v;
         fn = strbuf_add_string(trie->strings, filename, strlen(filename));
-        if (v < 0)
-                return v;
+        if (fn < 0)
+                return fn;
 
         if (node->values_count) {
                 struct trie_value_entry search = {
-- 
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