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[2620:137:e000::1:20]) by mx.google.com with ESMTP id k12-20020a637b4c000000b0041bbc1428besi11349954pgn.877.2022.08.23.04.29.43; Tue, 23 Aug 2022 04:29:54 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20; Authentication-Results: mx.google.com; dkim=pass header.i=@linuxfoundation.org header.s=korg header.b=pmFguL58; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=linuxfoundation.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S240579AbiHWK7v (ORCPT + 99 others); Tue, 23 Aug 2022 06:59:51 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:52728 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1356528AbiHWK5s (ORCPT ); Tue, 23 Aug 2022 06:57:48 -0400 Received: from ams.source.kernel.org (ams.source.kernel.org [145.40.68.75]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 5754BA6C65; Tue, 23 Aug 2022 02:13:49 -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 ams.source.kernel.org (Postfix) with ESMTPS id 457C8B81C66; Tue, 23 Aug 2022 09:13:47 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 90A16C433D7; Tue, 23 Aug 2022 09:13:45 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1661246026; bh=BvpZ9+z3PwhwVDxWUyHfXYsBLSq0+ghAeah0uQ9gcoE=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=pmFguL58w9BCNjf18EqulnNY2ZK1RpyXBU7576/7Dk1iWU3R19BKuYf9crdHgr9zi DFk2ouU4ofTGjenM4j3psiMPwFELY/siTqClScgo6c3o2Lbs9Vg5fsnwh+ao5SemHo 6Uy7Mfk/KNPTE+FgKutd0FW8XnbDqQBFHLb26MdU= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Andrew Donnellan , Christophe JAILLET , Sasha Levin Subject: [PATCH 4.19 265/287] cxl: Fix a memory leak in an error handling path Date: Tue, 23 Aug 2022 10:27:14 +0200 Message-Id: <20220823080110.260697876@linuxfoundation.org> X-Mailer: git-send-email 2.37.2 In-Reply-To: <20220823080100.268827165@linuxfoundation.org> References: <20220823080100.268827165@linuxfoundation.org> User-Agent: quilt/0.67 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-Spam-Status: No, score=-7.1 required=5.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,RCVD_IN_DNSWL_HI, SPF_HELO_NONE,SPF_PASS,T_SCC_BODY_TEXT_LINE autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Christophe JAILLET [ Upstream commit 3a15b45b5454da862376b5d69a4967f5c6fa1368 ] A bitmap_zalloc() must be balanced by a corresponding bitmap_free() in the error handling path of afu_allocate_irqs(). Acked-by: Andrew Donnellan Signed-off-by: Christophe JAILLET Link: https://lore.kernel.org/r/ce5869418f5838187946eb6b11a52715a93ece3d.1657566849.git.christophe.jaillet@wanadoo.fr Signed-off-by: Greg Kroah-Hartman Signed-off-by: Sasha Levin --- drivers/misc/cxl/irq.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/misc/cxl/irq.c b/drivers/misc/cxl/irq.c index ce08a9f22308..0dbe78383f8f 100644 --- a/drivers/misc/cxl/irq.c +++ b/drivers/misc/cxl/irq.c @@ -353,6 +353,7 @@ int afu_allocate_irqs(struct cxl_context *ctx, u32 count) out: cxl_ops->release_irq_ranges(&ctx->irqs, ctx->afu->adapter); + bitmap_free(ctx->irq_bitmap); afu_irq_name_free(ctx); return -ENOMEM; } -- 2.35.1