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 9E52BC32772 for ; Tue, 23 Aug 2022 08:34:43 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S245506AbiHWIel (ORCPT ); Tue, 23 Aug 2022 04:34:41 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:34386 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1346347AbiHWIby (ORCPT ); Tue, 23 Aug 2022 04:31:54 -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 E776520BD1; Tue, 23 Aug 2022 01:16:13 -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 5067761344; Tue, 23 Aug 2022 08:15:51 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 5D5A5C433C1; Tue, 23 Aug 2022 08:15:50 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1661242550; bh=VF22Iro7UbCbbWGEW7D3ybbI3jXsNuduTGF1qQpb4YA=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=wFMIRcBf2wjTw/DcPbLizjE6SJkiiQqZLn30QmShKED7V5Ae8WESJoLvkcCnIcCfr N++0Mw1hGK5JQk3SG65ApdknbHCacVVpsaMTkM+LqeCN76tTzFmgJA9dNunar2Qe8W NEepf8dnGubBy3Zpak5/JN/9Zh7X3S0fplL/H/pE= 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 4.9 090/101] cxl: Fix a memory leak in an error handling path Date: Tue, 23 Aug 2022 10:04:03 +0200 Message-Id: <20220823080037.992394869@linuxfoundation.org> X-Mailer: git-send-email 2.37.2 In-Reply-To: <20220823080034.579196046@linuxfoundation.org> References: <20220823080034.579196046@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: 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 dec60f58a767..99e2bd65825f 100644 --- a/drivers/misc/cxl/irq.c +++ b/drivers/misc/cxl/irq.c @@ -302,6 +302,7 @@ 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