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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 0A7FEC77B7D for ; Mon, 15 May 2023 17:23:43 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S244045AbjEORXm (ORCPT ); Mon, 15 May 2023 13:23:42 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:40370 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S244046AbjEORXQ (ORCPT ); Mon, 15 May 2023 13:23:16 -0400 Received: from dfw.source.kernel.org (dfw.source.kernel.org [139.178.84.217]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 1737110A05 for ; Mon, 15 May 2023 10:21:27 -0700 (PDT) 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 A899C62C53 for ; Mon, 15 May 2023 17:21:26 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 9B817C433D2; Mon, 15 May 2023 17:21:25 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1684171286; bh=mblPHaVTzJFd9zvtR/j6mmAdK23F7mYATGqoMeeeZ2k=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=L2Dt7y+pPPatrToeOnKS3h0DTAkn3n3XPTL5hjj8yUgMVu3EowberjgJ07gEN4FAG MEc94cI4raAbktufawEYCBn8C0qHXLJ+c0lkZC+zUNZFgdW8tPmQVlK0SAis5P3ytX 9Z6/fJIpoKaXvydli67hezBS2bSTw0DonWboeFCs= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Mathieu Poirier , Shengjiu Wang Subject: [PATCH 6.2 160/242] remoteproc: imx_dsp_rproc: Call of_node_put() on iteration error Date: Mon, 15 May 2023 18:28:06 +0200 Message-Id: <20230515161726.685862677@linuxfoundation.org> X-Mailer: git-send-email 2.40.1 In-Reply-To: <20230515161721.802179972@linuxfoundation.org> References: <20230515161721.802179972@linuxfoundation.org> User-Agent: quilt/0.67 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org From: Mathieu Poirier commit e0e01de8ee146986872e54e8365f4b4654819412 upstream. Function of_phandle_iterator_next() calls of_node_put() on the last device_node it iterated over, but when the loop exits prematurely it has to be called explicitly. Fixes: ec0e5549f358 ("remoteproc: imx_dsp_rproc: Add remoteproc driver for DSP on i.MX") Cc: stable@vger.kernel.org Signed-off-by: Mathieu Poirier Acked-by: Shengjiu Wang Link: https://lore.kernel.org/r/20230320221826.2728078-6-mathieu.poirier@linaro.org Signed-off-by: Mathieu Poirier Signed-off-by: Greg Kroah-Hartman --- drivers/remoteproc/imx_dsp_rproc.c | 12 +++++++++--- 1 file changed, 9 insertions(+), 3 deletions(-) --- a/drivers/remoteproc/imx_dsp_rproc.c +++ b/drivers/remoteproc/imx_dsp_rproc.c @@ -627,15 +627,19 @@ static int imx_dsp_rproc_add_carveout(st rmem = of_reserved_mem_lookup(it.node); if (!rmem) { + of_node_put(it.node); dev_err(dev, "unable to acquire memory-region\n"); return -EINVAL; } - if (imx_dsp_rproc_sys_to_da(priv, rmem->base, rmem->size, &da)) + if (imx_dsp_rproc_sys_to_da(priv, rmem->base, rmem->size, &da)) { + of_node_put(it.node); return -EINVAL; + } cpu_addr = devm_ioremap_wc(dev, rmem->base, rmem->size); if (!cpu_addr) { + of_node_put(it.node); dev_err(dev, "failed to map memory %p\n", &rmem->base); return -ENOMEM; } @@ -644,10 +648,12 @@ static int imx_dsp_rproc_add_carveout(st mem = rproc_mem_entry_init(dev, (void __force *)cpu_addr, (dma_addr_t)rmem->base, rmem->size, da, NULL, NULL, it.node->name); - if (mem) + if (mem) { rproc_coredump_add_segment(rproc, da, rmem->size); - else + } else { + of_node_put(it.node); return -ENOMEM; + } rproc_add_carveout(rproc, mem); }