f Use locked_conn variable

Author: tnull

src/io/sqlite_store.rs

@@ -66,13 +66,11 @@ impl KVStore for SqliteStore {
 	type Reader = Cursor<Vec<u8>>;
 
 	fn read(&self, namespace: &str, key: &str) -> std::io::Result<Self::Reader> {
+		let locked_conn = self.connection.lock().unwrap();
 		let sql =
 			format!("SELECT value FROM {} WHERE namespace=:namespace AND key=:key;", KV_TABLE_NAME);
 
-		let res = self
-			.connection
-			.lock()
-			.unwrap()
+		let res = locked_conn
 			.query_row(
 				&sql,
 				named_params! {