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 A81B6C3F6B0 for ; Sun, 14 Aug 2022 15:30:14 +0000 (UTC) Received: from boromir.ozlabs.org (localhost [IPv6:::1]) by lists.ozlabs.org (Postfix) with ESMTP id 4M5LvS4WSlz3c6m for ; Mon, 15 Aug 2022 01:30:12 +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=TcuBzZgQ; dkim-atps=neutral Authentication-Results: lists.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=kernel.org (client-ip=139.178.84.217; helo=dfw.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=TcuBzZgQ; dkim-atps=neutral Received: from dfw.source.kernel.org (dfw.source.kernel.org [139.178.84.217]) (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 4M5Ltq0xQxz2xG7 for ; Mon, 15 Aug 2022 01:29:38 +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 dfw.source.kernel.org (Postfix) with ESMTPS id DF4D460C0B; Sun, 14 Aug 2022 15:29:34 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 7E28DC4347C; Sun, 14 Aug 2022 15:29:33 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1660490974; bh=bvxl4NfAPWoJeKXPXZQ9lKtZkp/R6dPMZbid1WSJKj0=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=TcuBzZgQJMQRjqen04b+Zvl30DhDkZWkpSYnckaZvI6GeewXM+zDeSUiTIkkZHzHa kS5UBoJ+3idMq19F4IZYeSZQdz8IWA+QT3xGNFBB0k1f3Yt/3o1aepqEmHU1CD1MX8 I9FoZl9sjFL9tFW2A4FtQc06Jx90PYrLym0xPOJbkXA1BqxUTWTKEedBYDALl6G54S HU0vGzvZRmy3DEyjVFEts2UZgWXTqoMMpmUone5CKxOjBynhD/IMHhBOUd/lVPhtlk rnut/UW8iOIYijULEZi7T1rmEOJTU6tDLYZONij8zee5bapTlSQ+tczvRnsmk4kke/ Yt7tyEwBUjE1Q== From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Subject: [PATCH AUTOSEL 5.19 40/64] cxl: Fix a memory leak in an error handling path Date: Sun, 14 Aug 2022 11:24:13 -0400 Message-Id: <20220814152437.2374207-40-sashal@kernel.org> X-Mailer: git-send-email 2.35.1 In-Reply-To: <20220814152437.2374207-1-sashal@kernel.org> References: <20220814152437.2374207-1-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 5f0e2dcebb34..ac3795a7e1f6 100644 --- a/drivers/misc/cxl/irq.c +++ b/drivers/misc/cxl/irq.c @@ -350,6 +350,7 @@ 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