staging: gasket: remove else clause after return in if clause

Else after return is unnecessary and may cause static code checkers to
complain.
Reported-by: Guenter Roeck <groeck@chromium.org>
Signed-off-by: Simon Que <sque@chromium.org>
Signed-off-by: Todd Poynor <toddpoynor@google.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/gasket/gasket_page_table.c

@@ -598,9 +598,7 @@ bool gasket_page_table_is_dev_addr_bad(
 	if (gasket_addr_is_simple(pg_tbl, dev_addr))
 		return gasket_is_simple_dev_addr_bad(
 			pg_tbl, dev_addr, num_pages);
-	else
-		return gasket_is_extended_dev_addr_bad(
-			pg_tbl, dev_addr, num_pages);
+	return gasket_is_extended_dev_addr_bad(pg_tbl, dev_addr, num_pages);
 }
 EXPORT_SYMBOL(gasket_page_table_is_dev_addr_bad);