# HG changeset patch
# User Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
# Date 1520450028 -3600
# Node ID 415455faccae4958590400f8a6f4652424aab5f8
# Parent  1d6bec35b752eb192da9c231ead0eb5dfff4a78e
mod_inject_ecaps2: Return if calculating the hash failed

diff -r 1d6bec35b752 -r 415455faccae mod_inject_ecaps2/mod_inject_ecaps2.lua
--- a/mod_inject_ecaps2/mod_inject_ecaps2.lua	Wed Mar 07 19:40:20 2018 +0100
+++ b/mod_inject_ecaps2/mod_inject_ecaps2.lua	Wed Mar 07 20:13:48 2018 +0100
@@ -71,7 +71,11 @@
 		return;
 	end
 
-	local extension_string = calculate_hash(disco_info);
+	local extension_string, err = calculate_hash(disco_info);
+	if extension_string == nil then
+		module:log("warn", "Failed to calculate ecaps2 hash: %s", err)
+		return;
+	end
 
 	local ecaps2 = st.stanza("c", { xmlns = "urn:xmpp:caps" });
 	for algo in algorithms do