From nobody Mon Apr 6 23:07:16 2026 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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id A9FA5ECAAD3 for ; Thu, 1 Sep 2022 15:44:38 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233806AbiIAPoh (ORCPT ); Thu, 1 Sep 2022 11:44:37 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:41610 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233606AbiIAPoS (ORCPT ); Thu, 1 Sep 2022 11:44:18 -0400 Received: from mail-ej1-x62a.google.com (mail-ej1-x62a.google.com [IPv6:2a00:1450:4864:20::62a]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 5DB3F72FFC for ; Thu, 1 Sep 2022 08:44:17 -0700 (PDT) Received: by mail-ej1-x62a.google.com with SMTP id og21so35572048ejc.2 for ; Thu, 01 Sep 2022 08:44:17 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc; bh=jbUUbn6xBzZd7j5ZqfqvA6Ey7A3ETCPriOiqhA/qkHA=; b=e3b00MlFma6liGQaarM70G3/5zFPDlvJyUrB2qnIjGXHN17p8oEmGBAHa8AoIN7JDX HOvlPAmTLZLkn3GdmRMI0n1kx2I1ngYT2jKNv43pTtqPdy2rMkUDll8BUpAWr3G/LnKv 6qoJfPhsTQX3wfWmgjAciZN8XewNltgYYxwi5oIPzslT8KOn7HYSnPN13kvCoNoMaEMB 2b/bpPSm6x/yw3K1jgkM/o4fOesp6fgbKOZvmtVeSy5VP2pAwC5KLQWgG1oWp+8fIWdu vSKRycQ7y1UCoH6+8jDO13EMSexx/EshsNN3ukOUWzRpUnSlKE2OZImxtRqQV+MXa2o8 GjHA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc; bh=jbUUbn6xBzZd7j5ZqfqvA6Ey7A3ETCPriOiqhA/qkHA=; b=AgqrKOMXnuXl8SEdDwXsihRfwUW2RU7JMIrexqmEMCmQ73lPePGVjLdP+u+b7K5jyb IsHckz0or+zrEg/O2uDJ7iWeTNcSIGds9jIuSdmNPB5kPBZnFdSF1wgXhSyhJ2IbCnun 66XJxkOInTj6FkGvLEvUjdtwCP6hO5GTgrCVCkkqsKnjRJsnrpiSYwGRE2Vk+wwWFs7i G7/Ejby9/XLJpfRuTTQzBf/uzEFmkYx9cNy8thPyMCvN/OKFVqjdgs+Hbwvqlcok7Msb 7JHSMj0in3I/YSx1IG/CmcT2mmkw21HTZgQRV8RlieH2Q78L7XaGeCPWBEbb6sBF4xss ukjQ== X-Gm-Message-State: ACgBeo324CBc2/LdS7w4Ay6EE4dWRL7GNPviHr/kOLw4eGxusTWnGKxS c9YNyHTBlzbrAEuTWaqqEu4= X-Google-Smtp-Source: AA6agR6lAq4C798R8uHf3uTQfD3A7XLABoTzBW9PEWsOSi140q8G5AWvZ5RyZ6XknTxk0jOZxcz2rw== X-Received: by 2002:a17:907:7e8c:b0:73d:85ec:46c with SMTP id qb12-20020a1709077e8c00b0073d85ec046cmr22845510ejc.257.1662047055743; Thu, 01 Sep 2022 08:44:15 -0700 (PDT) Received: from localhost.localdomain (host-87-1-103-238.retail.telecomitalia.it. [87.1.103.238]) by smtp.gmail.com with ESMTPSA id g6-20020a170906198600b0073dc6def190sm8576682ejd.158.2022.09.01.08.44.13 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 01 Sep 2022 08:44:14 -0700 (PDT) From: "Fabio M. De Francesco" To: Derek Kiernan , Dragan Cvetic , Arnd Bergmann , Greg Kroah-Hartman , Michal Simek , Ira Weiny , "Venkataramanan, Anirudh" , linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Cc: "Fabio M. De Francesco" Subject: [PATCH 1/2] misc/xilinx_sdfec: Call kunmap() on pages mapped with kmap() Date: Thu, 1 Sep 2022 17:44:07 +0200 Message-Id: <20220901154408.23984-2-fmdefrancesco@gmail.com> X-Mailer: git-send-email 2.37.2 In-Reply-To: <20220901154408.23984-1-fmdefrancesco@gmail.com> References: <20220901154408.23984-1-fmdefrancesco@gmail.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" Pages in an array are mapped in a loop but, after the code is done with the virtual addresses, these pages are never unmapped. Therefore, call kunmap() to unmap pages[i]. Cc: "Venkataramanan, Anirudh" Cc: Ira Weiny Signed-off-by: Fabio M. De Francesco --- drivers/misc/xilinx_sdfec.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/misc/xilinx_sdfec.c b/drivers/misc/xilinx_sdfec.c index d6e3c650bd11..4b1d82ae7312 100644 --- a/drivers/misc/xilinx_sdfec.c +++ b/drivers/misc/xilinx_sdfec.c @@ -645,6 +645,7 @@ static int xsdfec_table_write(struct xsdfec_dev *xsdfec= , u32 offset, reg++; } while ((reg < len) && ((reg * XSDFEC_REG_WIDTH_JUMP) % PAGE_SIZE)); + kunmap(pages[i]); unpin_user_page(pages[i]); } return 0; --=20 2.37.2