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config: Fix a potential deadlock in config reading

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

Fixes #8791
This commit is contained in:
Bjørn Erik Pedersen
2021-07-30 11:53:27 +02:00
parent 41c6c52ead
commit 94b616bdfa
1 changed files with 1 additions and 0 deletions
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config/defaultConfigProvider.go
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@@ -89,6 +89,7 @@ func (c *defaultConfigProvider) Get(k string) interface{} {
c.mu.RLock() c.mu.RLock()
key, m := c.getNestedKeyAndMap(strings.ToLower(k), false) key, m := c.getNestedKeyAndMap(strings.ToLower(k), false)
if m == nil { if m == nil {
c.mu.RUnlock()
return nil return nil
} }
v := m[key] v := m[key]