From patchwork Thu Sep 6 22:16:54 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Alexey Khoroshilov X-Patchwork-Id: 10591133 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 13FE613BB for ; Thu, 6 Sep 2018 22:17:07 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id F3C3E2B208 for ; Thu, 6 Sep 2018 22:17:06 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id E77E02B20A; Thu, 6 Sep 2018 22:17:06 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-7.9 required=2.0 tests=BAYES_00,MAILING_LIST_MULTI, RCVD_IN_DNSWL_HI autolearn=ham version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 899FD2B208 for ; Thu, 6 Sep 2018 22:17:05 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727692AbeIGCyj (ORCPT ); Thu, 6 Sep 2018 22:54:39 -0400 Received: from mail.ispras.ru ([83.149.199.45]:59870 "EHLO mail.ispras.ru" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727618AbeIGCyj (ORCPT ); Thu, 6 Sep 2018 22:54:39 -0400 Received: from localhost.localdomain (unknown [85.140.177.160]) by mail.ispras.ru (Postfix) with ESMTPSA id CE74A540082; Fri, 7 Sep 2018 01:17:01 +0300 (MSK) From: Alexey Khoroshilov To: Mark Brown Cc: Alexey Khoroshilov , linux-spi@vger.kernel.org, linux-kernel@vger.kernel.org, ldv-project@linuxtesting.org Subject: [PATCH] spi: pic32: remove unnecessary of_node_get() Date: Fri, 7 Sep 2018 01:16:54 +0300 Message-Id: <1536272214-26219-1-git-send-email-khoroshilov@ispras.ru> X-Mailer: git-send-email 2.7.4 Sender: linux-spi-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-spi@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP Almost all spi drivers assign spi master->dev.of_node from its parent platform device without additional refcounting. It seems of_node_get() in pic32_spi_probe() is unnecessary and there is no corresponding of_node_put(). Found by Linux Driver Verification project (linuxtesting.org). Signed-off-by: Alexey Khoroshilov --- drivers/spi/spi-pic32.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/spi/spi-pic32.c b/drivers/spi/spi-pic32.c index f8a45af1fa9f..46ff76193ee1 100644 --- a/drivers/spi/spi-pic32.c +++ b/drivers/spi/spi-pic32.c @@ -774,7 +774,7 @@ static int pic32_spi_probe(struct platform_device *pdev) if (ret) goto err_master; - master->dev.of_node = of_node_get(pdev->dev.of_node); + master->dev.of_node = pdev->dev.of_node; master->mode_bits = SPI_MODE_3 | SPI_MODE_0 | SPI_CS_HIGH; master->num_chipselect = 1; /* single chip-select */ master->max_speed_hz = clk_get_rate(pic32s->clk);