From mboxrd@z Thu Jan 1 00:00:00 1970 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=-10.1 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=unavailable 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 A04A0C433E1 for ; Thu, 14 May 2020 19:12:01 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 7397B20675 for ; Thu, 14 May 2020 19:12:01 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1589483521; bh=5b1cITD4siBfqcJvrNMsQNnxiLxZtt78fxCTqriWMEM=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=FpTlGRyuiHzFZ1tgbB9J9wnkZOcRcFvcdNvljaWETN2SdVcsrXlcA/hUAqvorqPi2 uRW9cS8CeXhSjeYxCD/aH0cLNvEhtVYSkhky2I9jvgXI1csG+OJAFdZ4XAzkJIVpRM LvI5Ig+D5PRa09GXR1jv/2j78Q8xO8SCWGW9T+KI= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728626AbgENTMA (ORCPT ); Thu, 14 May 2020 15:12:00 -0400 Received: from mail.kernel.org ([198.145.29.99]:50158 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728138AbgENSwJ (ORCPT ); Thu, 14 May 2020 14:52:09 -0400 Received: from sasha-vm.mshome.net (c-73-47-72-35.hsd1.nh.comcast.net [73.47.72.35]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 99D972065F; Thu, 14 May 2020 18:52:08 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1589482329; bh=5b1cITD4siBfqcJvrNMsQNnxiLxZtt78fxCTqriWMEM=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=tT+PZhW52GsmGaETg2R2mA4ho1+Q2UxpkLfJlkYpihpSbWXkh8Ma7+KjQO/Vy0vUU HdGlcr0TGdcTMJe5NBu6Ntxg1MVdmUwkcf0BXYIP5sQI5kToxdo8rtcBrYoMigGND7 I6/TjF6rUHYJYEIQ284fjF435LMxTksEFD1dFXLo= From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: Christian Gromm , kernel test robot , Greg Kroah-Hartman , Sasha Levin , devel@driverdev.osuosl.org Subject: [PATCH AUTOSEL 5.6 16/62] most: core: use function subsys_initcall() Date: Thu, 14 May 2020 14:51:01 -0400 Message-Id: <20200514185147.19716-16-sashal@kernel.org> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20200514185147.19716-1-sashal@kernel.org> References: <20200514185147.19716-1-sashal@kernel.org> MIME-Version: 1.0 X-stable: review X-Patchwork-Hint: Ignore Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Christian Gromm [ Upstream commit 5e56bc06e18dfc8a66180fa369384b36e2ab621a ] This patch replaces function module_init() with subsys_initcall(). It is needed to ensure that the core module of the driver is initialized before a component tries to register with the core. This leads to a NULL pointer dereference if the driver is configured as in-tree. Signed-off-by: Christian Gromm Reported-by: kernel test robot Link: https://lore.kernel.org/r/1587741394-22021-1-git-send-email-christian.gromm@microchip.com Signed-off-by: Greg Kroah-Hartman Signed-off-by: Sasha Levin --- drivers/staging/most/core.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/staging/most/core.c b/drivers/staging/most/core.c index 0c4ae6920d77d..409c48c597f2f 100644 --- a/drivers/staging/most/core.c +++ b/drivers/staging/most/core.c @@ -1484,7 +1484,7 @@ static void __exit most_exit(void) ida_destroy(&mdev_id); } -module_init(most_init); +subsys_initcall(most_init); module_exit(most_exit); MODULE_LICENSE("GPL"); MODULE_AUTHOR("Christian Gromm "); -- 2.20.1