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 Received: from lists.ozlabs.org (lists.ozlabs.org [112.213.38.117]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id BC9A6C433FE for ; Mon, 17 Jan 2022 16:59:46 +0000 (UTC) Received: from boromir.ozlabs.org (localhost [IPv6:::1]) by lists.ozlabs.org (Postfix) with ESMTP id 4JcynF1P5Qz3bbj for ; Tue, 18 Jan 2022 03:59:45 +1100 (AEDT) Authentication-Results: lists.ozlabs.org; dkim=fail reason="signature verification failed" (2048-bit key; unprotected) header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256 header.s=k20201202 header.b=jkE6eDbG; dkim-atps=neutral Authentication-Results: lists.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=kernel.org (client-ip=139.178.84.217; helo=dfw.source.kernel.org; envelope-from=sashal@kernel.org; receiver=) Authentication-Results: lists.ozlabs.org; dkim=pass (2048-bit key; unprotected) header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256 header.s=k20201202 header.b=jkE6eDbG; dkim-atps=neutral Received: from dfw.source.kernel.org (dfw.source.kernel.org [139.178.84.217]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by lists.ozlabs.org (Postfix) with ESMTPS id 4JcymW1p3Wz2x9L for ; Tue, 18 Jan 2022 03:59:07 +1100 (AEDT) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id 38A0E611C6; Mon, 17 Jan 2022 16:59:03 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id C1EB1C36AE7; Mon, 17 Jan 2022 16:59:01 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1642438742; bh=GjXLsfRDL+vMnvwCNX4tCqIZuHwbl8YDD1glN2o18Y8=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=jkE6eDbGoqB/2j5ZWZmcgg60NaC1BRquhwRd0EDrCRcgKgytQxAXt4QLAhbTbqWJW ToJWxF0ktiieIcvCcrvMujJ99z/FDGkGrEJrEXhA90OAIMX6sWg9v5nvQCo/UIe1x8 dtFrumQRFN/SZnlRsWYxfe1VDehnCzl3gN0CAPEGDvshXz5gySdHLUfLlgYVMzEQTG SGOi7PNHOTNolU/aVum60TeX/BrFsS1SastgwpmCRxg/nFSRj7XwyhEJ4mjTcZr8Pn M7DZAfT45yZ8h/6vhZECLDUazo0RFX5nkkxUvdiDKG+CWDqo3I74PeLDitAJVO004s wSBcq8yPGDPjQ== From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Subject: [PATCH AUTOSEL 5.16 03/52] powerpc/6xx: add missing of_node_put Date: Mon, 17 Jan 2022 11:58:04 -0500 Message-Id: <20220117165853.1470420-3-sashal@kernel.org> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20220117165853.1470420-1-sashal@kernel.org> References: <20220117165853.1470420-1-sashal@kernel.org> MIME-Version: 1.0 X-stable: review X-Patchwork-Hint: Ignore Content-Transfer-Encoding: 8bit X-BeenThere: linuxppc-dev@lists.ozlabs.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Sasha Levin , nick.child@ibm.com, maz@kernel.org, Julia Lawall , linuxppc-dev@lists.ozlabs.org Errors-To: linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org Sender: "Linuxppc-dev" From: Julia Lawall [ Upstream commit f6e82647ff71d427d4148964b71f239fba9d7937 ] for_each_compatible_node performs an of_node_get on each iteration, so a break out of the loop requires an of_node_put. A simplified version of the semantic patch that fixes this problem is as follows (http://coccinelle.lip6.fr): // @@ expression e; local idexpression n; @@ @@ local idexpression n; expression e; @@ for_each_compatible_node(n,...) { ... ( of_node_put(n); | e = n | + of_node_put(n); ? break; ) ... } ... when != n // Signed-off-by: Julia Lawall Signed-off-by: Michael Ellerman Link: https://lore.kernel.org/r/1448051604-25256-2-git-send-email-Julia.Lawall@lip6.fr Signed-off-by: Sasha Levin --- arch/powerpc/platforms/embedded6xx/hlwd-pic.c | 1 + 1 file changed, 1 insertion(+) diff --git a/arch/powerpc/platforms/embedded6xx/hlwd-pic.c b/arch/powerpc/platforms/embedded6xx/hlwd-pic.c index 15396333a90bd..a4b020e4b6af0 100644 --- a/arch/powerpc/platforms/embedded6xx/hlwd-pic.c +++ b/arch/powerpc/platforms/embedded6xx/hlwd-pic.c @@ -214,6 +214,7 @@ void hlwd_pic_probe(void) irq_set_chained_handler(cascade_virq, hlwd_pic_irq_cascade); hlwd_irq_host = host; + of_node_put(np); break; } } -- 2.34.1