From patchwork Thu Jul 4 11:37:47 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Arnd Bergmann X-Patchwork-Id: 11031407 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 607841398 for ; Thu, 4 Jul 2019 11:38:47 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 527FA287C9 for ; Thu, 4 Jul 2019 11:38:47 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 45EB528A3B; Thu, 4 Jul 2019 11:38:47 +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=unavailable 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 1D1EE287EA for ; Thu, 4 Jul 2019 11:38:45 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727547AbfGDLio (ORCPT ); Thu, 4 Jul 2019 07:38:44 -0400 Received: from mout.kundenserver.de ([212.227.126.135]:37417 "EHLO mout.kundenserver.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727436AbfGDLio (ORCPT ); Thu, 4 Jul 2019 07:38:44 -0400 Received: from threadripper.lan ([149.172.19.189]) by mrelayeu.kundenserver.de (mreue011 [212.227.15.129]) with ESMTPA (Nemesis) id 1MMGAg-1hzyic1MGM-00JKWZ; Thu, 04 Jul 2019 13:38:08 +0200 From: Arnd Bergmann To: Marek Vasut , Jonathan Cameron Cc: Arnd Bergmann , stable@vger.kernel.org, Marek Vasut , Geert Uytterhoeven , Simon Horman , linux-renesas-soc@vger.kernel.org, Wolfram Sang , Hartmut Knaack , Lars-Peter Clausen , Peter Meerwald-Stadler , Rob Herring , Kuninori Morimoto , linux-iio@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH] iio: adc: gyroadc: fix uninitialized return code Date: Thu, 4 Jul 2019 13:37:47 +0200 Message-Id: <20190704113800.3299636-1-arnd@arndb.de> X-Mailer: git-send-email 2.20.0 MIME-Version: 1.0 X-Provags-ID: V03:K1:h9aKGiMAS6Xlil+2UxkJhJCnUoDDgR+JZ2AvN4jHsrCx8ckyZuS yTEZldLJ/UP6OFu9DOsy4VetZ/N0GFIf9RT57cxc+NW20LzRCQC2iRf4QEYCBTQtaQBnhZs Qej58IDikUem+RSWapqZYEEPHFnIdfcBlPm6CdrxZCiXwsHI9nhtiidJFXsoxZ9sssiflqh O+kzS9bxP3uF49LI2VnMg== X-UI-Out-Filterresults: notjunk:1;V03:K0:CrZfIuHva64=:k5xMOa0IWCAKm3yNcyNVYf dL5/tWOzmLrqTaBpZz3j4i+7oSpo/kGE+TRdCrBIy+mRYkOoR66SojF8+bHRg4tJmlIfTB4bu /LJUeYEPmBC3TzvvYEgGQM1F/aYhqm5l3wIzgrv8mrZB5DVaM0wZZMVlPR+vDO7cUXoaH6/VZ LbFl4Lm+dMElV2jR36wM/iCSk5x6yf/BD+6XB14vBrcwjcPVSsIVlAg5wKr0CHKYOz9Q9OKZj JVd4WiEXAsjI6a69+zqa/CiiaC62QObwPoTbMP1SopA9WfgeAF0BroPsPwspNF4U3vNABxXLj 1/lR+ZDvw459rku6B4R1FWzmwbJPJekjIZI5kpmHS4A73dfsSGEUfi0Hh8fzCC6L7h714Tgui 3r4gZDBtTkTnyA8TqQiLuHChbrCwxN6tHWWzg4SsRY+kM4f/nTV2Pm+gPijhs0iyT56qjyAkw W5KecNpVD7qDDFm1tGLhbIpwko9PXKHQJelmmwNFPyaQyUCWCQbt3voWVUVELVT5OGSN7GSdX Ynb7N2FBnyhCOu5U1TFVMFu2XT26DQSA+t84FLiVWnGQftDxeQO3P2wEtATD0rOYnviddIQ5r Lyv5E1qOtJUtPG/cDAQNbCZGyftkfo8NkGD4cgLH5Yv9Wnb3rXplqvvNLsQgypquy1CSXBewI kuYBADE90oIOKvH/zTSckq/DIM+erVVlYoXIjcSI5TDQwNiCq66CIQg0AOJITqJ2vbVH/yRMN g7aB2O8660O6uSLOGvd7Rh67ds0fc0ijiMBmHA== Sender: linux-iio-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-iio@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP gcc-9 complains about a blatant uninitialized variable use that all earlier compiler versions missed: drivers/iio/adc/rcar-gyroadc.c:510:5: warning: 'ret' may be used uninitialized in this function [-Wmaybe-uninitialized] Return -EINVAL instead here. Cc: stable@vger.kernel.org Fixes: 059c53b32329 ("iio: adc: Add Renesas GyroADC driver") Signed-off-by: Arnd Bergmann Reviewed-by: Geert Uytterhoeven --- drivers/iio/adc/rcar-gyroadc.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/iio/adc/rcar-gyroadc.c b/drivers/iio/adc/rcar-gyroadc.c index 2d685730f867..aec73cc43e23 100644 --- a/drivers/iio/adc/rcar-gyroadc.c +++ b/drivers/iio/adc/rcar-gyroadc.c @@ -391,7 +391,7 @@ static int rcar_gyroadc_parse_subdevs(struct iio_dev *indio_dev) dev_err(dev, "Channel %i uses different ADC mode than the rest.\n", reg); - return ret; + return -EINVAL; } /* Channel is valid, grab the regulator. */