From patchwork Tue Nov 17 13:04:26 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Greg KH X-Patchwork-Id: 325227 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-9.8 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED, DKIM_VALID, HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id B5261C2D0E4 for ; Tue, 17 Nov 2020 13:47:35 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 54A6C216C4 for ; Tue, 17 Nov 2020 13:47:34 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=kernel.org header.i=@kernel.org header.b="edAJQ9CI" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1732144AbgKQNqw (ORCPT ); Tue, 17 Nov 2020 08:46:52 -0500 Received: from mail.kernel.org ([198.145.29.99]:48524 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1732958AbgKQNhb (ORCPT ); Tue, 17 Nov 2020 08:37:31 -0500 Received: from localhost (83-86-74-64.cable.dynamic.v4.ziggo.nl [83.86.74.64]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id A4E3C2466D; Tue, 17 Nov 2020 13:37:28 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1605620249; bh=s+8Zbm6GDao8cUOKUQEChQnn8W1y35LvzL/lOxA9zWQ=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=edAJQ9CI2W1EDSWGhRKhdHtzFyW/KrOQFug9Oq3M71njqyxg1zcCdahFXr+FZzgXy 7PrqHfx1GSaeAP3miGZ37UEg/rehx3b7ydoHDPcCDVNtH7aOYyq6d6lYGXsGkZAqWU bdh8UAJihv3/rYymN+RTc8I0Ns6czyKtlw3Vknp0= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, =?utf-8?q?Martin_Hundeb=C3=B8ll?= , Mark Brown , Nathan Chancellor Subject: [PATCH 5.9 126/255] spi: bcm2835: remove use of uninitialized gpio flags variable Date: Tue, 17 Nov 2020 14:04:26 +0100 Message-Id: <20201117122145.065791791@linuxfoundation.org> X-Mailer: git-send-email 2.29.2 In-Reply-To: <20201117122138.925150709@linuxfoundation.org> References: <20201117122138.925150709@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org From: Martin Hundebøll commit bc7f2cd7559c5595dc38b909ae9a8d43e0215994 upstream. Removing the duplicate gpio chip select level handling in bcm2835_spi_setup() left the lflags variable uninitialized. Avoid trhe use of such variable by passing default flags to gpiochip_request_own_desc(). Fixes: 5e31ba0c0543 ("spi: bcm2835: fix gpio cs level inversion") Signed-off-by: Martin Hundebøll Link: https://lore.kernel.org/r/20201105090615.620315-1-martin@geanix.com Signed-off-by: Mark Brown Cc: Nathan Chancellor Signed-off-by: Greg Kroah-Hartman --- drivers/spi/spi-bcm2835.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) --- a/drivers/spi/spi-bcm2835.c +++ b/drivers/spi/spi-bcm2835.c @@ -1193,7 +1193,6 @@ static int bcm2835_spi_setup(struct spi_ struct spi_controller *ctlr = spi->controller; struct bcm2835_spi *bs = spi_controller_get_devdata(ctlr); struct gpio_chip *chip; - enum gpio_lookup_flags lflags; u32 cs; /* @@ -1261,7 +1260,7 @@ static int bcm2835_spi_setup(struct spi_ spi->cs_gpiod = gpiochip_request_own_desc(chip, 8 - spi->chip_select, DRV_NAME, - lflags, + GPIO_LOOKUP_FLAGS_DEFAULT, GPIOD_OUT_LOW); if (IS_ERR(spi->cs_gpiod)) return PTR_ERR(spi->cs_gpiod);