client/asset/dcr test: fix potential mutex deadlock

decred · Aug 4, 2021 · 3333748 · 3333748
1 parent 8f7a617
commit 3333748
Showing 1 changed file with 1 addition and 2 deletions.
diff --git a/client/asset/dcr/dcr_test.go b/client/asset/dcr/dcr_test.go
@@ -533,6 +533,7 @@ func (c *tRPCClient) RawRequest(_ context.Context, method string, params []json.
 		}
 
 		c.blockchain.mtx.RLock()
+		defer c.blockchain.mtx.RUnlock()
 		blockFilterBuilder := c.blockchain.v2CFilterBuilders[blkHash]
 		if blockFilterBuilder == nil {
 			return nil, fmt.Errorf("v2cfilter builder not found for block")
@@ -546,8 +547,6 @@ func (c *tRPCClient) RawRequest(_ context.Context, method string, params []json.
 			Filter:    hex.EncodeToString(v2CFilter.Bytes()),
 			Key:       hex.EncodeToString(blockFilterBuilder.key[:]),
 		}
-		c.blockchain.mtx.RUnlock()
-
 		return json.Marshal(res)
 
 	case methodListUnspent: