From patchwork Sat Mar 6 13:28:57 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jia-Ju Bai X-Patchwork-Id: 12119989 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=-15.7 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,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 F3E05C433E6 for ; Sat, 6 Mar 2021 13:32:11 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id B95A364FEF for ; Sat, 6 Mar 2021 13:32:11 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230259AbhCFN3b (ORCPT ); Sat, 6 Mar 2021 08:29:31 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:47388 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230238AbhCFN33 (ORCPT ); Sat, 6 Mar 2021 08:29:29 -0500 Received: from mail-pf1-x432.google.com (mail-pf1-x432.google.com [IPv6:2607:f8b0:4864:20::432]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 5E96AC06174A; Sat, 6 Mar 2021 05:29:29 -0800 (PST) Received: by mail-pf1-x432.google.com with SMTP id m6so4164514pfk.1; Sat, 06 Mar 2021 05:29:29 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id; bh=ax5gKdgKGbpA9ARYQFz+0Uz3IYFdiqoNAF//dqc3ZNs=; b=DE8WpP8lqtbYyqNjtGXWVIGDhJtd2MdX5E/mcHLjLmjYwOJ9exD/zLb7shoCoCeX2+ yfDwRX6PmgoOMqqi25dHj84kTZryFfvzjeb6oO9ihj1c4pIOao5thqaFi9PUiyWDT63z lxUeAN9OPAduSaGaJJkXaheOkcyt6p3jPs0MRDmEvKhdKi7i2c2YxqReZ2PiSFUmlKDD 7AXVX2kjz4Z/G02Qjuq/j3/nh3AVoqNShfdNZ1/FXo8Oy+as7tNKUb1D7beoq7haWYEK 6kckM1zHsJBJLvOPpuo/FZ1R3uICwPSN+Qbpk4M4Iiu7WTxMGJnpKjRPW+EfoBu4yU/G Ngzw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id; bh=ax5gKdgKGbpA9ARYQFz+0Uz3IYFdiqoNAF//dqc3ZNs=; b=Bk3JxTG9s2boWnu37oU4j879HXDLq6Uo2KQJGT1p6Id+eNR0T+Q5KTGEU9qtYh+4+j nRfc/lLTjRGYPFNJLFFEdMgvB+1Ci7I9zYbxYaf6H3daN2se8Pf5FjGjrH7TNfp3Z3or 2joKxwONnJ7HT4FNuoOdWRs2C52UbMGnztW6F6kxOV0p3MAd6LrtMq+7gMaBS5fjE7R6 v4xw1LE/n5gogo4g0VAw6TE9yBd00Wx9OYvJAvqajXwnB/dpeCd0cGngvgJzdqgTtwU0 rgG33+8PcF7CqBYrE+FKlKIWwHq9aI2+YBTJprEFYgeHnBr2/NZLQXByIKWqB/98ZpP4 VaVw== X-Gm-Message-State: AOAM533PkQ3EkmC0dB1WJWbOghY3ceuItyN1GoR7OOeeWQV548Cwwkvp C6yPDt8+YDU/wtJ5MJEmUaI2oM4b1aMKHg== X-Google-Smtp-Source: ABdhPJwKZHgMDW8YVo3p5gJ5I33Q+dui73J+CrFYI6yUAu3cJbFQRhdm5wvbxf5B4iusYBdbELORBQ== X-Received: by 2002:aa7:8b59:0:b029:1e9:8229:c100 with SMTP id i25-20020aa78b590000b02901e98229c100mr14049356pfd.19.1615037368873; Sat, 06 Mar 2021 05:29:28 -0800 (PST) Received: from localhost.localdomain ([45.135.186.66]) by smtp.gmail.com with ESMTPSA id t23sm5222284pgv.34.2021.03.06.05.29.25 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sat, 06 Mar 2021 05:29:28 -0800 (PST) From: Jia-Ju Bai To: djakov@kernel.org Cc: linux-pm@vger.kernel.org, linux-kernel@vger.kernel.org, Jia-Ju Bai Subject: [PATCH] interconnect: core: fix error return code of icc_link_destroy() Date: Sat, 6 Mar 2021 05:28:57 -0800 Message-Id: <20210306132857.17020-1-baijiaju1990@gmail.com> X-Mailer: git-send-email 2.17.1 Precedence: bulk List-ID: X-Mailing-List: linux-pm@vger.kernel.org When krealloc() fails and new is NULL, no error return code of icc_link_destroy() is assigned. To fix this bug, ret is assigned with -ENOMEM hen new is NULL. Reported-by: TOTE Robot Signed-off-by: Jia-Ju Bai --- drivers/interconnect/core.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/interconnect/core.c b/drivers/interconnect/core.c index 5ad519c9f239..8a1e70e00876 100644 --- a/drivers/interconnect/core.c +++ b/drivers/interconnect/core.c @@ -942,6 +942,8 @@ int icc_link_destroy(struct icc_node *src, struct icc_node *dst) GFP_KERNEL); if (new) src->links = new; + else + ret = -ENOMEM; out: mutex_unlock(&icc_lock);