From patchwork Tue Oct 27 13:52:17 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Greg KH X-Patchwork-Id: 312896 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=-12.8 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED, DKIM_VALID, HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH, 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 1395FC55179 for ; Tue, 27 Oct 2020 14:37:32 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id A6A26206B2 for ; Tue, 27 Oct 2020 14:37:31 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1603809451; bh=2lf4uteV6LmPGW8kJ4FDcqRiQ4UcrmxFVigvV/E+Bqk=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=tb3Td/KYRJUwzul4BbbfoFWARDgd97EK8H9hghlq1mCAlz9MrWuZroLJf2B+StxP+ TwkyBFtbLAGgYB/zwTTk9HiqOgbBY2jnmBGSM4KIpNqIQNkW/D72IBMvT0EEGs+FRz ghIrzGaW7RPxILbn1zUpT9IaQ5tKhdOqHPQABJE8= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2898976AbgJ0Oha (ORCPT ); Tue, 27 Oct 2020 10:37:30 -0400 Received: from mail.kernel.org ([198.145.29.99]:36478 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1761000AbgJ0OhZ (ORCPT ); Tue, 27 Oct 2020 10:37:25 -0400 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 B4C7B222E9; Tue, 27 Oct 2020 14:37:24 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1603809445; bh=2lf4uteV6LmPGW8kJ4FDcqRiQ4UcrmxFVigvV/E+Bqk=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=mkqPBzFGSx8O+hYEWv3+oqJ8o+ItZp5cE0vnWoGLKz7SGuutWY6a7EmvtfnijRkQV rtnPC+sTMLeYDCL7ZcNh7vy06RDIZmtFq27gszMpqryTYrfqFJZrlUO+d4t3abzNfL H34e5bPI8TgZUSueq/TOoJ3ywCEYzsE0Xrohp7dw= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Nicholas Mc Guire , Michael Ellerman , Sasha Levin Subject: [PATCH 5.4 199/408] powerpc/pseries: Fix missing of_node_put() in rng_init() Date: Tue, 27 Oct 2020 14:52:17 +0100 Message-Id: <20201027135504.331770922@linuxfoundation.org> X-Mailer: git-send-email 2.29.1 In-Reply-To: <20201027135455.027547757@linuxfoundation.org> References: <20201027135455.027547757@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org From: Nicholas Mc Guire [ Upstream commit 67c3e59443f5fc77be39e2ce0db75fbfa78c7965 ] The call to of_find_compatible_node() returns a node pointer with refcount incremented thus it must be explicitly decremented here before returning. Fixes: a489043f4626 ("powerpc/pseries: Implement arch_get_random_long() based on H_RANDOM") Signed-off-by: Nicholas Mc Guire Signed-off-by: Michael Ellerman Link: https://lore.kernel.org/r/1530522496-14816-1-git-send-email-hofrat@osadl.org Signed-off-by: Sasha Levin --- arch/powerpc/platforms/pseries/rng.c | 1 + 1 file changed, 1 insertion(+) diff --git a/arch/powerpc/platforms/pseries/rng.c b/arch/powerpc/platforms/pseries/rng.c index bbb97169bf63e..6268545947b83 100644 --- a/arch/powerpc/platforms/pseries/rng.c +++ b/arch/powerpc/platforms/pseries/rng.c @@ -36,6 +36,7 @@ static __init int rng_init(void) ppc_md.get_random_seed = pseries_get_random_long; + of_node_put(dn); return 0; } machine_subsys_initcall(pseries, rng_init);