From ce893aa41b893df140429a8d8eb8adbd68d4a4ca Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=C3=89lo=C3=AFs?= <c@elo.tf>
Date: Tue, 22 Nov 2022 18:34:07 +0100
Subject: [PATCH] perf: generate_initial_session_keys: load runtime only if its
 relevant (#12651)
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* perf: generate_initial_session_keys: load runtime only if its relevant

* apply review suggestion

* Update primitives/session/src/lib.rs

Co-authored-by: Bastian Köcher <git@kchr.de>

Co-authored-by: Bastian Köcher <git@kchr.de>
---
 primitives/session/src/lib.rs | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/primitives/session/src/lib.rs b/primitives/session/src/lib.rs
index 1b25d285e3bca..dde262738ad71 100644
--- a/primitives/session/src/lib.rs
+++ b/primitives/session/src/lib.rs
@@ -118,6 +118,10 @@ where
 	T: ProvideRuntimeApi<Block>,
 	T::Api: SessionKeys<Block>,
 {
+	if seeds.is_empty() {
+		return Ok(())
+	}
+
 	let runtime_api = client.runtime_api();
 
 	for seed in seeds {