From: Bjørn Erik Pedersen <bjorn.erik.pedersen@gmail.com>
Date: Fri, 30 Jul 2021 09:53:27 +0000 (+0200)
Subject: config: Fix a potential deadlock in config reading
X-Git-Tag: v0.86.1~3
X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=94b616bdfad177daa99f5e87535943f509198f6f;p=brevno-suite%2Fhugo

config: Fix a potential deadlock in config reading

Note that the deadlock has not been seen earlier, in tests on in real Hugo sites.

Fixes #8791
---

diff --git a/config/defaultConfigProvider.go b/config/defaultConfigProvider.go
index 05c3b912..2391ec85 100644
--- a/config/defaultConfigProvider.go
+++ b/config/defaultConfigProvider.go
@@ -89,6 +89,7 @@ func (c *defaultConfigProvider) Get(k string) interface{} {
 	c.mu.RLock()
 	key, m := c.getNestedKeyAndMap(strings.ToLower(k), false)
 	if m == nil {
+		c.mu.RUnlock()
 		return nil
 	}
 	v := m[key]