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=-26.3 required=3.0 tests=BAYES_00,DKIMWL_WL_MED, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_CR_TRAILER,INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, USER_AGENT_GIT,USER_IN_DEF_DKIM_WL 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 792D3C43461 for ; Tue, 6 Apr 2021 22:50:19 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 3AB53613D4 for ; Tue, 6 Apr 2021 22:50:19 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1344271AbhDFWu0 (ORCPT ); Tue, 6 Apr 2021 18:50:26 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:40066 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1344209AbhDFWuS (ORCPT ); Tue, 6 Apr 2021 18:50:18 -0400 Received: from mail-yb1-xb49.google.com (mail-yb1-xb49.google.com [IPv6:2607:f8b0:4864:20::b49]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 47CBDC06174A for ; Tue, 6 Apr 2021 15:50:09 -0700 (PDT) Received: by mail-yb1-xb49.google.com with SMTP id i2so22050203ybl.21 for ; Tue, 06 Apr 2021 15:50:09 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20161025; h=reply-to:date:in-reply-to:message-id:mime-version:references :subject:from:to:cc; bh=9unnZdwnJBhmIr85WtW6opdl6PIonHCZIupIJTvjWiM=; b=TkbGpsapVhMM/9vNTvKB2L0fGV6FDhcQqCVGeETLXWxcwfezHG91/Q32wDXz4NNQzM nc0exNLd9sY6ryGmhhmyHB1RRJGT8Chj3tHZWlz8EP2ltZ2XznhwfwqVrVa8wOWGyxx7 0q80IQ90Nro8z6l81DX7mZp32wgeHg/9fnbOVCWSN+TnbJo+T+psv21FIznZvp11IQSD 7OO9fnXsMk0l7y7GljMe9yy4UhNrmsgXxl6Vnzk+LjeuD/C1qm4zOXUElsRpln+otQI5 b1CaykelVe2JuM1a88H8nPQECvnwDlaUMgwiRCR90/JGzBaByfMcJAkkJv8tWLv1lKzC aw8g== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:reply-to:date:in-reply-to:message-id :mime-version:references:subject:from:to:cc; bh=9unnZdwnJBhmIr85WtW6opdl6PIonHCZIupIJTvjWiM=; b=tR4hF3hCDE2SLYwGnNwr4qoHMp0qK8ubpfPHQ9Z7QJRUa/kDNFspb/fxdSX8Jlwk+t WzdhwgmRTe0eOlXk/Bl0x1GZNpyS2f/xiq0u+rOx94iUn4Yep1blDyQUqyjEN+H0vRdL yjWYHUxK7Tcs4NpGUtiN2KletfW3hqPDDkFXP198zFJAoWVcjZppuZQ8OU8c9pUuxvC0 3VL8sRlYhzVARhtZbs6cho9IVqetj178FFquWsNdZJysh2iGAAFCf5NKc2T9I2GK+WwL fWms6kchaeOuBSZNI1gqQemJ7T3JWbRsBJ6ZUyohq+3K9uUXV2rhfsytnDns+g32wjnA 5pBQ== X-Gm-Message-State: AOAM530XP6bwtzUrlQF0uwsF0N7DGt0vmdcs+YQu/XsZzur3HYVov42l blUwZbJSJzHT9CAuZsh+dSeOLsx2KrE= X-Google-Smtp-Source: ABdhPJzlb0ZbdnN3YVCAvkv4hLaHNRneUSdCrOk9RA1gK+d59njBjzucCXv09ROJce8rsyMB2b1YQgaYp58= X-Received: from seanjc798194.pdx.corp.google.com ([2620:15c:f:10:24a1:90fb:182b:777c]) (user=seanjc job=sendgmr) by 2002:a25:b3c1:: with SMTP id x1mr517791ybf.506.1617749407346; Tue, 06 Apr 2021 15:50:07 -0700 (PDT) Reply-To: Sean Christopherson Date: Tue, 6 Apr 2021 15:49:45 -0700 In-Reply-To: <20210406224952.4177376-1-seanjc@google.com> Message-Id: <20210406224952.4177376-2-seanjc@google.com> Mime-Version: 1.0 References: <20210406224952.4177376-1-seanjc@google.com> X-Mailer: git-send-email 2.31.0.208.g409f899ff0-goog Subject: [PATCH v2 1/8] crypto: ccp: Free SEV device if SEV init fails From: Sean Christopherson To: Paolo Bonzini , Brijesh Singh , Tom Lendacky , John Allen Cc: Sean Christopherson , Vitaly Kuznetsov , Wanpeng Li , Jim Mattson , Joerg Roedel , kvm@vger.kernel.org, linux-crypto@vger.kernel.org, linux-kernel@vger.kernel.org, Borislav Petkov , Christophe Leroy Content-Type: text/plain; charset="UTF-8" Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Free the SEV device if later initialization fails. The memory isn't technically leaked as it's tracked in the top-level device's devres list, but unless the top-level device is removed, the memory won't be freed and is effectively leaked. Signed-off-by: Sean Christopherson --- drivers/crypto/ccp/sev-dev.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/drivers/crypto/ccp/sev-dev.c b/drivers/crypto/ccp/sev-dev.c index cb9b4c4e371e..ba240d33d26e 100644 --- a/drivers/crypto/ccp/sev-dev.c +++ b/drivers/crypto/ccp/sev-dev.c @@ -987,7 +987,7 @@ int sev_dev_init(struct psp_device *psp) if (!sev->vdata) { ret = -ENODEV; dev_err(dev, "sev: missing driver data\n"); - goto e_err; + goto e_sev; } psp_set_sev_irq_handler(psp, sev_irq_handler, sev); @@ -1002,6 +1002,8 @@ int sev_dev_init(struct psp_device *psp) e_irq: psp_clear_sev_irq_handler(psp); +e_sev: + devm_kfree(dev, sev); e_err: psp->sev_data = NULL; -- 2.31.0.208.g409f899ff0-goog