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 lists.ozlabs.org (lists.ozlabs.org [112.213.38.117]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id E4AAAC25B06 for ; Sun, 14 Aug 2022 15:35:47 +0000 (UTC) Received: from boromir.ozlabs.org (localhost [IPv6:::1]) by lists.ozlabs.org (Postfix) with ESMTP id 4M5M1t2Cj0z3bYd for ; Mon, 15 Aug 2022 01:35:46 +1000 (AEST) Authentication-Results: lists.ozlabs.org; dkim=fail reason="signature verification failed" (2048-bit key; unprotected) header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256 header.s=k20201202 header.b=uQO9KbLX; dkim-atps=neutral Authentication-Results: lists.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=kernel.org (client-ip=145.40.68.75; helo=ams.source.kernel.org; envelope-from=sashal@kernel.org; receiver=) Authentication-Results: lists.ozlabs.org; dkim=pass (2048-bit key; unprotected) header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256 header.s=k20201202 header.b=uQO9KbLX; dkim-atps=neutral Received: from ams.source.kernel.org (ams.source.kernel.org [145.40.68.75]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by lists.ozlabs.org (Postfix) with ESMTPS id 4M5M1D6WzWz2xG4 for ; Mon, 15 Aug 2022 01:35:12 +1000 (AEST) 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 EC13BB80B56; Sun, 14 Aug 2022 15:35:09 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id E737AC43140; Sun, 14 Aug 2022 15:35:07 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1660491308; bh=g97XD/pgPbqJ4VwO4uV+VBUuGwCDEvgLc1WAUiTfTeI=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=uQO9KbLXh55fltn/zso1Awz3xEHeI9d9Ij0oxQ7yH+KQXoiAGxMSePsqw05ifgKRQ 1MEM4jn6aR+BQoM2mkmHJovodLBs4qaYj3SeYiDFyQO1S40fK8ozIAH+/BoLRaUbvR 9+qvuKOep+Gc1ME/pzQYbV0HMre71wwV37eDGoz5pkAxpgDgAYt4kMf0t3SWwT+jhe eqxqregXCXG2ZK+fAR+P+K3RF5LPFp+IXA9ttUdlu3k/60QVrgHtPiys46sfPRRpE5 xZ2lQolSWb9hziQqazaBfOSO8PYqpzh9QblkMcKenK6QXPdXeVPCvwbONzYj8PsEZT yB3S+uTXYjqtw== From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Subject: [PATCH AUTOSEL 5.10 19/31] cxl: Fix a memory leak in an error handling path Date: Sun, 14 Aug 2022 11:34:19 -0400 Message-Id: <20220814153431.2379231-19-sashal@kernel.org> X-Mailer: git-send-email 2.35.1 In-Reply-To: <20220814153431.2379231-1-sashal@kernel.org> References: <20220814153431.2379231-1-sashal@kernel.org> MIME-Version: 1.0 X-stable: review X-Patchwork-Hint: Ignore Content-Transfer-Encoding: 8bit X-BeenThere: linuxppc-dev@lists.ozlabs.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Sasha Levin , Andrew Donnellan , Greg Kroah-Hartman , Christophe JAILLET , fbarrat@linux.ibm.com, linuxppc-dev@lists.ozlabs.org Errors-To: linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org Sender: "Linuxppc-dev" 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 4cb829d5d873..2e4dcfebf19a 100644 --- a/drivers/misc/cxl/irq.c +++ b/drivers/misc/cxl/irq.c @@ -349,6 +349,7 @@ 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