From patchwork Sun Oct 11 22:03:29 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: =?utf-8?q?Valentin_Vidi=C4=87?= X-Patchwork-Id: 11831323 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-12.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH, MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED, USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id A53A0C433E7 for ; Sun, 11 Oct 2020 22:03:57 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 777662078A for ; Sun, 11 Oct 2020 22:03:57 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2387608AbgJKWDw (ORCPT ); Sun, 11 Oct 2020 18:03:52 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:56236 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2387413AbgJKWDw (ORCPT ); Sun, 11 Oct 2020 18:03:52 -0400 Received: from valentin-vidic.from.hr (valentin-vidic.from.hr [IPv6:2001:470:1f0b:3b7::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 01DEAC0613CE; Sun, 11 Oct 2020 15:03:51 -0700 (PDT) X-Virus-Scanned: Debian amavisd-new at valentin-vidic.from.hr Received: by valentin-vidic.from.hr (Postfix, from userid 1000) id 8B0BC3FF6; Mon, 12 Oct 2020 00:03:48 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=valentin-vidic.from.hr; s=2020; t=1602453828; bh=hSs9rp0gRrGMiv6Fn2XmzIuoSpKz2lOe6leFqgPnLsY=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=zaqQw42ZM37C7GEj2x9tV6tiF0613gorGmtqzf+/+25aTTS/hOB22r5ixC/eo2rT3 N7x5BqBZkQOr+jEtVY7FOm3raYr+cWLQcrtIzJy6o7pfqmzAgvl9FonZjaS2MqheDg aLpHmZUs9TDHAJrzL5mDtVq9rRuoDqkeovXziGk/fkFMullfuzs0noqnlhEfFgViSY 9DXTUhT6kWYLM61YB4mWCPiHC9bKqOznDZPjE3NlrYmJLkbmEp2+xUaaehbfPJyDzN C0pkkYp7WREkQ5Xsqajbz0jRcgg5VNGYCqsvFGupBDVTEO9T4WmCWPcF5ljpI+fm4H fm0QZ5mw3DzPUeyVpgRvBeSh/I+CF1mSKgjwhz7NEp+eR+9vp9GrIH12crL58klK5R uZM6LYWJYgsj5v99w7Ne0ak9Uwn840x4unb+SkZIGCxdt34t/nelyCtgumu5NDzqdm rf0kku+ucdC+Gz6iTNEeHUcuZmJ4DZ9QJ3SQ444L/bejBkgsCiXoqF1L86n5/43Crz 5m4Kk3sUjAmPWZHqBHr0aO6tr9RptJF9UnPkHVTRPHvwheeNAGMteppCzBoTRCBRAd 08nO5KQ0kqGZzuQ6FswP+DQGrQFC5RjIWP0Wy6530Gxt6rhYHT1U6xpmYhjw0vJXw8 5D6sGiBxphRCr9g/TnqMOY7A= From: Valentin Vidic To: Willem de Bruijn Cc: "David S. Miller" , Philip Rischel , Florian Fainelli , Roman Yeryomin , Jakub Kicinski , Andrew Morton , Mike Rapoport , Martin Habets , "Michael S. Tsirkin" , Network Development , linux-kernel , Valentin Vidic Subject: [PATCH v2] net: korina: fix kfree of rx/tx descriptor array Date: Mon, 12 Oct 2020 00:03:29 +0200 Message-Id: <20201011220329.13038-1-vvidic@valentin-vidic.from.hr> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20201011212135.GD8773@valentin-vidic.from.hr> References: <20201011212135.GD8773@valentin-vidic.from.hr> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org kmalloc returns KSEG0 addresses so convert back from KSEG1 in kfree. Also make sure array is freed when the driver is unloaded from the kernel. Fixes: ef11291bcd5f ("Add support the Korina (IDT RC32434) Ethernet MAC") Signed-off-by: Valentin Vidic Acked-by: Willem de Bruijn --- v2: convert kfree address back to KSEG0 drivers/net/ethernet/korina.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/net/ethernet/korina.c b/drivers/net/ethernet/korina.c index 03e034918d14..af441d699a57 100644 --- a/drivers/net/ethernet/korina.c +++ b/drivers/net/ethernet/korina.c @@ -1113,7 +1113,7 @@ static int korina_probe(struct platform_device *pdev) return rc; probe_err_register: - kfree(lp->td_ring); + kfree(KSEG0ADDR(lp->td_ring)); probe_err_td_ring: iounmap(lp->tx_dma_regs); probe_err_dma_tx: @@ -1133,6 +1133,7 @@ static int korina_remove(struct platform_device *pdev) iounmap(lp->eth_regs); iounmap(lp->rx_dma_regs); iounmap(lp->tx_dma_regs); + kfree(KSEG0ADDR(lp->td_ring)); unregister_netdev(bif->dev); free_netdev(bif->dev);