From patchwork Tue Oct 27 13:49:09 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Greg KH X-Patchwork-Id: 313082 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,DKIMWL_WL_HIGH, DKIM_SIGNED, DKIM_VALID, HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH, MAILING_LIST_MULTI, SIGNED_OFF_BY, SPF_HELO_NONE, SPF_PASS, URIBL_BLOCKED, USER_AGENT_GIT autolearn=ham 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 D474AC55178 for ; Tue, 27 Oct 2020 14:04:06 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 8210522409 for ; Tue, 27 Oct 2020 14:04:06 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1603807446; bh=TD+Xd+Z3S6bU7kAPQ2/sAUipfuB4OkSeSsfra3ImJFI=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=0YonITJyJQwlk2uae0x9wS5ebXNMajtkc2uxLGkbKGC50iDpTD9uDXGvN0FvUH6PS g160xyCZ2nE2AlyjQIckKgdYGqLTi12sGf7MPAlnvlSi3lhLdnqO9rgXaOc0idA2oA jeSe4QAeFNX0AMzz2vOpYcKmlG/8UFT3LixMt/7k= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2505410AbgJ0OEF (ORCPT ); Tue, 27 Oct 2020 10:04:05 -0400 Received: from mail.kernel.org ([198.145.29.99]:52334 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754060AbgJ0OEE (ORCPT ); Tue, 27 Oct 2020 10:04:04 -0400 Received: from localhost (83-86-74-64.cable.dynamic.v4.ziggo.nl [83.86.74.64]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id BB9242222C; Tue, 27 Oct 2020 14:04:03 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1603807444; bh=TD+Xd+Z3S6bU7kAPQ2/sAUipfuB4OkSeSsfra3ImJFI=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=hG6/4lWbhT5LtqsdFsXcyPikqGKW6TLGMF2r7q+ZsNWWcz4hrF53CqgMiS0M7uiF0 DAX5/6adNSOkH1pmvog+eRTU5zzY8NE9NQQNixta3abcbXtqX5BJKx7hu73AnihycZ aZyLnDkTO4fsBDu/5bcE7nQgZ1r17VvLu6pZmuWI= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Valentin Vidic , Willem de Bruijn , Jakub Kicinski , Sasha Levin Subject: [PATCH 4.9 055/139] net: korina: fix kfree of rx/tx descriptor array Date: Tue, 27 Oct 2020 14:49:09 +0100 Message-Id: <20201027134904.741237101@linuxfoundation.org> X-Mailer: git-send-email 2.29.1 In-Reply-To: <20201027134902.130312227@linuxfoundation.org> References: <20201027134902.130312227@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org From: Valentin Vidic [ Upstream commit 3af5f0f5c74ecbaf757ef06c3f80d56751277637 ] 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 Signed-off-by: Jakub Kicinski Signed-off-by: Sasha Levin --- 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 c051987aab830..7e6db87c26aef 100644 --- a/drivers/net/ethernet/korina.c +++ b/drivers/net/ethernet/korina.c @@ -1188,7 +1188,7 @@ 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: @@ -1208,6 +1208,7 @@ 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);