From patchwork Tue Oct 27 13:53:03 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Greg KH X-Patchwork-Id: 306992 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=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 85F4DC55178 for ; Tue, 27 Oct 2020 17:56:38 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 259902076D for ; Tue, 27 Oct 2020 17:56:38 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1603821398; bh=F8eUBlUZLZfvPMwO1QGBdYgE8jn3qlju0+011V3Bu54=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=01HNaoTXyv4orJpp/hOegeiI51RuenfVlfjI4cwLaZcs9u/KfqnUnBAZOP0e1xh2P E/udWu99SeCfwDkPhanJnu2usJjmSRCOBAG097Q9LgOSOHHlWCvnJRN5saPl+nckc+ 3l7boqhE6q9aqJk3q2aNGAHtzlkSfw2ogAu/nf7s= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2901305AbgJ0OWF (ORCPT ); Tue, 27 Oct 2020 10:22:05 -0400 Received: from mail.kernel.org ([198.145.29.99]:46516 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2895452AbgJ0OWE (ORCPT ); Tue, 27 Oct 2020 10:22:04 -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 F15EC206F7; Tue, 27 Oct 2020 14:22:03 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1603808524; bh=F8eUBlUZLZfvPMwO1QGBdYgE8jn3qlju0+011V3Bu54=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=VvneUr9oFA64GwMJ46wM97jEaimxoxRbjNt5S7cJ/M5MSyJjS/yj4VuO1HesY23Tk djSw0e9ymYcd7cRFuElgmh77UmXvKlnsqSzgkgLvfNuKvOcBEHbWZ5HPBt+AEPRDQz DrJBf/pQy17qW9wukrDF+Epo3GanBG2v96bj1agM= 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 4.19 125/264] net: korina: fix kfree of rx/tx descriptor array Date: Tue, 27 Oct 2020 14:53:03 +0100 Message-Id: <20201027135436.560402162@linuxfoundation.org> X-Mailer: git-send-email 2.29.1 In-Reply-To: <20201027135430.632029009@linuxfoundation.org> References: <20201027135430.632029009@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 ae195f8adff58..5bdff77c0ad10 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);