From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751570AbdCAAWC (ORCPT ); Tue, 28 Feb 2017 19:22:02 -0500 Received: from mail-pg0-f67.google.com ([74.125.83.67]:34448 "EHLO mail-pg0-f67.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751099AbdCAAU4 (ORCPT ); Tue, 28 Feb 2017 19:20:56 -0500 From: Dmitry Torokhov To: Mark Brown Cc: linux-spi@vger.kernel.org, linux-kernel@vger.kernel.org, Andy Shevchenko Subject: [PATCH v3 2/2] spi: allow registering empty spi_board_info lists Date: Tue, 28 Feb 2017 14:25:19 -0800 Message-Id: <20170228222519.38217-3-dmitry.torokhov@gmail.com> X-Mailer: git-send-email 2.11.0.483.g087da7b7c-goog In-Reply-To: <20170228222519.38217-1-dmitry.torokhov@gmail.com> References: <20170228222519.38217-1-dmitry.torokhov@gmail.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Many boards form list of spi_board_info entries depending on config, and it is possible to end up with empty list. Do not report error in such cases. Signed-off-by: Dmitry Torokhov --- drivers/spi/spi.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/spi/spi.c b/drivers/spi/spi.c index bdecba9be2fa..ff37bc5b3947 100644 --- a/drivers/spi/spi.c +++ b/drivers/spi/spi.c @@ -687,7 +687,7 @@ int spi_register_board_info(struct spi_board_info const *info, unsigned n) int i; if (!n) - return -EINVAL; + return 0; bi = kzalloc(n * sizeof(*bi), GFP_KERNEL); if (!bi) -- 2.11.0.483.g087da7b7c-goog