From patchwork Mon Dec 26 14:21:36 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: =?utf-8?q?Pali_Roh=C3=A1r?= X-Patchwork-Id: 1719496 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@legolas.ozlabs.org Authentication-Results: legolas.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=vger.kernel.org (client-ip=2620:137:e000::1:20; helo=out1.vger.email; envelope-from=linux-cifs-owner@vger.kernel.org; receiver=) Authentication-Results: legolas.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=E4k5OXvy; dkim-atps=neutral Received: from out1.vger.email (out1.vger.email [IPv6:2620:137:e000::1:20]) by legolas.ozlabs.org (Postfix) with ESMTP id 4Ngg3874gmz23dy for ; Tue, 27 Dec 2022 01:22:12 +1100 (AEDT) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231894AbiLZOWI (ORCPT ); Mon, 26 Dec 2022 09:22:08 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:39118 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231614AbiLZOWG (ORCPT ); Mon, 26 Dec 2022 09:22:06 -0500 Received: from dfw.source.kernel.org (dfw.source.kernel.org [IPv6:2604:1380:4641:c500::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 4F6B91140; Mon, 26 Dec 2022 06:22:06 -0800 (PST) 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 E0F4560EB4; Mon, 26 Dec 2022 14:22:05 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 2F842C433D2; Mon, 26 Dec 2022 14:22:05 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1672064525; bh=22S317lWg8AbLm/4T86Rzeza0QVf8ZdO+6YLdtwviT0=; h=From:To:Subject:Date:In-Reply-To:References:From; b=E4k5OXvypcw8JKWNx6C4dSUgCG2CsGTlxUbLraGkrXVSvF8AMAD7gX7KnyZDbc3uX ZsNzjvKiPxDxG+oR5TopbMGilH1sUH3bokqsnBHlqzkz4AQKh7/B9WXFNeej/reQya dU1Mnq6X+mGX9sykpmVkUki7ScBWs84ONjlv1qoJm0t7e79xu6cZNjMWpFMdd3vkwz UjJRhFH5fv+TqT8wdZI5Tw/E6K/zVf0vNVX4NLda6wj+29s3ruxs9Tya/z86tEjBE+ rwVylYF+UiX3jen7J7X3chKLADzrU7lT2hxuBJSNwCHwCwa6bpWJSQgoDQpm+LrrLt Mb4naxRegkZ+g== Received: by pali.im (Postfix) id DED229D7; Mon, 26 Dec 2022 15:22:04 +0100 (CET) From: =?utf-8?q?Pali_Roh=C3=A1r?= To: linux-fsdevel@vger.kernel.org, linux-ntfs-dev@lists.sourceforge.net, linux-cifs@vger.kernel.org, jfs-discussion@lists.sourceforge.net, linux-kernel@vger.kernel.org, Alexander Viro , Jan Kara , "Theodore Y . Ts'o" , Anton Altaparmakov , OGAWA Hirofumi , Luis de Bethencourt , Salah Triki , Steve French , Paulo Alcantara , Ronnie Sahlberg , Shyam Prasad N , Tom Talpey , Dave Kleikamp , Andrew Morton , Pavel Machek , Christoph Hellwig , Kari Argillander , Viacheslav Dubeyko Subject: [RFC PATCH v2 04/18] ntfs: Fix error processing when load_nls() fails Date: Mon, 26 Dec 2022 15:21:36 +0100 Message-Id: <20221226142150.13324-5-pali@kernel.org> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20221226142150.13324-1-pali@kernel.org> References: <20221226142150.13324-1-pali@kernel.org> MIME-Version: 1.0 X-Spam-Status: No, score=-7.1 required=5.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,RCVD_IN_DNSWL_HI, SPF_HELO_NONE,SPF_PASS autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-cifs@vger.kernel.org Ensure that specified charset in iocharset= mount option is used. On error correctly propagate error code back to the caller. Signed-off-by: Pali Rohár --- fs/ntfs/super.c | 18 +++++------------- 1 file changed, 5 insertions(+), 13 deletions(-) diff --git a/fs/ntfs/super.c b/fs/ntfs/super.c index 55762abdc22a..b4f26035e750 100644 --- a/fs/ntfs/super.c +++ b/fs/ntfs/super.c @@ -94,7 +94,7 @@ static bool parse_options(ntfs_volume *vol, char *opt) umode_t fmask = (umode_t)-1, dmask = (umode_t)-1; int mft_zone_multiplier = -1, on_errors = -1; int show_sys_files = -1, case_sensitive = -1, disable_sparse = -1; - struct nls_table *nls_map = NULL, *old_nls; + struct nls_table *nls_map = NULL; /* I am lazy... (-8 */ #define NTFS_GETOPT_WITH_DEFAULT(option, variable, default_value) \ @@ -195,20 +195,12 @@ static bool parse_options(ntfs_volume *vol, char *opt) if (!v || !*v) goto needs_arg; use_utf8: - old_nls = nls_map; + unload_nls(nls_map); nls_map = load_nls(v); if (!nls_map) { - if (!old_nls) { - ntfs_error(vol->sb, "NLS character set " - "%s not found.", v); - return false; - } - ntfs_error(vol->sb, "NLS character set %s not " - "found. Using previous one %s.", - v, old_nls->charset); - nls_map = old_nls; - } else /* nls_map */ { - unload_nls(old_nls); + ntfs_error(vol->sb, "NLS character set " + "%s not found.", v); + return false; } } else if (!strcmp(p, "utf8")) { bool val = false;