From nobody Fri Dec 19 20:53:06 2025 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 E63DEC49EC1 for ; Tue, 23 Aug 2022 10:23:38 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1354726AbiHWKWH (ORCPT ); Tue, 23 Aug 2022 06:22:07 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:34236 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1352946AbiHWKJn (ORCPT ); Tue, 23 Aug 2022 06:09:43 -0400 Received: from dfw.source.kernel.org (dfw.source.kernel.org [IPv6:2604:1380:4641:c500::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 0CC1D7DF6E; Tue, 23 Aug 2022 01:55:55 -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 9D1F661561; Tue, 23 Aug 2022 08:55:54 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 9ACB8C433D6; Tue, 23 Aug 2022 08:55:53 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1661244954; bh=BvpZ9+z3PwhwVDxWUyHfXYsBLSq0+ghAeah0uQ9gcoE=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=QZz3L2AXR5uqp2lmp8A1BjhdVOo5Ea+9FxF1T5HLg2p2/AxRuabHRPMtgINeQTZvv a0i42epi0iGVMAXbawrtdzRwIVbndISkZlYHuogg2XrzGxpSUMwS4zmvyQVmVEset0 wNrgIf5d8icfXdApSBooDk4r9Rm4bD9dlxL9ml8Y= 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 4.14 217/229] cxl: Fix a memory leak in an error handling path Date: Tue, 23 Aug 2022 10:26:18 +0200 Message-Id: <20220823080101.396665634@linuxfoundation.org> X-Mailer: git-send-email 2.37.2 In-Reply-To: <20220823080053.202747790@linuxfoundation.org> References: <20220823080053.202747790@linuxfoundation.org> User-Agent: quilt/0.67 MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" 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.16= 57566849.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 coun= t) =20 out: cxl_ops->release_irq_ranges(&ctx->irqs, ctx->afu->adapter); + bitmap_free(ctx->irq_bitmap); afu_irq_name_free(ctx); return -ENOMEM; } --=20 2.35.1