caddyhttp: reverseproxy: fix hash selection policy

Fixes: #4135 Test: go test './...' -count=1
caddyserver · Apr 29, 2021 · 4438c8f · 4438c8f
1 parent 3a1e81d
commit 4438c8f
Showing 1 changed file with 1 addition and 2 deletions.
diff --git a/modules/caddyhttp/reverseproxy/selectionpolicies.go b/modules/caddyhttp/reverseproxy/selectionpolicies.go
@@ -523,8 +523,7 @@ func hostByHashing(pool []*Upstream, s string) *Upstream {
 	}
 	index := hash(s) % poolLen
 	for i := uint32(0); i < poolLen; i++ {
-		index += i
-		upstream := pool[index%poolLen]
+		upstream := pool[(index+i)%poolLen]
 		if upstream.Available() {
 			return upstream
 		}