From patchwork Sat Apr 8 11:48:17 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: =?utf-8?q?Patrik_Dahlstr=C3=B6m?= X-Patchwork-Id: 671868 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 61C7FC77B70 for ; Sat, 8 Apr 2023 11:49:11 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230430AbjDHLtK (ORCPT ); Sat, 8 Apr 2023 07:49:10 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:37114 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230443AbjDHLtJ (ORCPT ); Sat, 8 Apr 2023 07:49:09 -0400 Received: from pio-pvt-msa1.bahnhof.se (pio-pvt-msa1.bahnhof.se [79.136.2.40]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 87E2CD532; Sat, 8 Apr 2023 04:49:06 -0700 (PDT) Received: from localhost (localhost [127.0.0.1]) by pio-pvt-msa1.bahnhof.se (Postfix) with ESMTP id 177C23F586; Sat, 8 Apr 2023 13:49:05 +0200 (CEST) X-Virus-Scanned: Debian amavisd-new at bahnhof.se Authentication-Results: pio-pvt-msa1.bahnhof.se (amavisd-new); dkim=pass (2048-bit key) header.d=dalakolonin.se Received: from pio-pvt-msa1.bahnhof.se ([127.0.0.1]) by localhost (pio-pvt-msa1.bahnhof.se [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id g1tQhCcjjgA0; Sat, 8 Apr 2023 13:49:03 +0200 (CEST) Received: by pio-pvt-msa1.bahnhof.se (Postfix) with ESMTPA id A5C2D3F3E8; Sat, 8 Apr 2023 13:49:03 +0200 (CEST) Received: from localhost (localhost [127.0.0.1]) by zimbra.dalakolonin.se (Postfix) with ESMTP id 782F295F9F; Sat, 8 Apr 2023 11:49:03 +0000 (UTC) Received: from zimbra.dalakolonin.se ([127.0.0.1]) by localhost (zimbra.dalakolonin.se [127.0.0.1]) (amavisd-new, port 10032) with ESMTP id 3Sd9tTVk3Z73; Sat, 8 Apr 2023 11:49:01 +0000 (UTC) Received: from localhost (localhost [127.0.0.1]) by zimbra.dalakolonin.se (Postfix) with ESMTP id AD9C395F9B; Sat, 8 Apr 2023 11:49:01 +0000 (UTC) DKIM-Filter: OpenDKIM Filter v2.10.3 zimbra.dalakolonin.se AD9C395F9B DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=dalakolonin.se; s=D374B428-D0A7-11ED-A657-75977B426508; t=1680954541; bh=XhROZXPSXckR4cXo6YbuNE8r4xKHu7TnEgvgxqLTtlg=; h=From:To:Date:Message-Id:MIME-Version; b=VtHTbDOyyeXmmfAj5jl8fG5gWoJkSCXcfss5kbCtRzZ8UDyvJ2HfyGlGqu0nnEODe 6jXv6febDkSi6CXjfR3fDi62idqowsDCCMtcBfmXBTQTYLB/iESXr6INH89nKkR4gD ip+xvpzmDERj8YbQZS/2OJY6ltrr0Y7l9S09At8DR5i0gegEClWg+z+/tOFHZln4xc w5NXwuVHZaDY7ou83QbK4nBP77lxXw8t2ecX1v9n8IlDUngHdbhYqKiDeM3LxzU7/6 SBM+pewcUyJtXsZp0MnGGkfwBAgKSG1IjbNuNQMVaDI1djgWQp7IBe2YlFRynDbV7C Ia+0wYNAcrDxw== X-Virus-Scanned: amavisd-new at dalakolonin.se Received: from zimbra.dalakolonin.se ([127.0.0.1]) by localhost (zimbra.dalakolonin.se [127.0.0.1]) (amavisd-new, port 10026) with ESMTP id Ye8JcNTTR-Wm; Sat, 8 Apr 2023 11:49:01 +0000 (UTC) Received: from rack-server-1.dalakolonin.se (unknown [172.17.0.1]) by zimbra.dalakolonin.se (Postfix) with ESMTPSA id 84AD595F98; Sat, 8 Apr 2023 11:49:01 +0000 (UTC) From: =?utf-8?q?Patrik_Dahlstr=C3=B6m?= To: linux-iio@vger.kernel.org Cc: linux-kernel@vger.kernel.org, letux-kernel@openphoenux.org, kernel@pyra-handheld.com, pgoudagunta@nvidia.com, hns@goldelico.com, jic23@kernel.org, lars@metafoo.de, linux-omap@vger.kernel.org, =?utf-8?q?Pa?= =?utf-8?q?trik_Dahlstr=C3=B6m?= , Jonathan Cameron Subject: [PATCH v4 1/9] iio: adc: palmas_gpadc: fix NULL dereference on rmmod Date: Sat, 8 Apr 2023 13:48:17 +0200 Message-Id: <20230408114825.824505-2-risca@dalakolonin.se> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20230408114825.824505-1-risca@dalakolonin.se> References: <20230408114825.824505-1-risca@dalakolonin.se> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-omap@vger.kernel.org Calling dev_to_iio_dev() on a platform device pointer is undefined and will make adc NULL. Signed-off-by: Patrik Dahlström Link: https://lore.kernel.org/r/20230313205029.1881745-1-risca@dalakolonin.se Signed-off-by: Jonathan Cameron --- drivers/iio/adc/palmas_gpadc.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/iio/adc/palmas_gpadc.c b/drivers/iio/adc/palmas_gpadc.c index fd000345ec5c..849a697a467e 100644 --- a/drivers/iio/adc/palmas_gpadc.c +++ b/drivers/iio/adc/palmas_gpadc.c @@ -639,7 +639,7 @@ static int palmas_gpadc_probe(struct platform_device *pdev) static int palmas_gpadc_remove(struct platform_device *pdev) { - struct iio_dev *indio_dev = dev_to_iio_dev(&pdev->dev); + struct iio_dev *indio_dev = dev_get_drvdata(&pdev->dev); struct palmas_gpadc *adc = iio_priv(indio_dev); if (adc->wakeup1_enable || adc->wakeup2_enable)