From mboxrd@z Thu Jan 1 00:00:00 1970 From: swhiteho@redhat.com Date: Thu, 4 Oct 2007 09:49:17 +0100 Subject: [Cluster-devel] [PATCH 24/51] [GFS2] Add NULL entry to token table In-Reply-To: <11914878323899-git-send-email-swhiteho@redhat.com> References: <11914877842142-git-send-email-swhiteho@redhat.com> <11914877912880-git-send-email-swhiteho@redhat.com> <11914877934041-git-send-email-swhiteho@redhat.com> <11914877952291-git-send-email-swhiteho@redhat.com> <11914877971413-git-send-email-swhiteho@redhat.com> <11914877993073-git-send-email-swhiteho@redhat.com> <11914878002186-git-send-email-swhiteho@redhat.com> <1191487802255-git-send-email-swhiteho@redhat.com> <11914878043598-git-send-email-swhiteho@redhat.com> <11914878063121-git-send-email-swhiteho@redhat.com> <11914878081562-git-send-email-swhiteho@redhat.com> <11914878102813-git-send-email-swhiteho@redhat.com> <1191487812928-git-send-email-swhiteho@redhat.com> <11914878141625-git-send-email-swhiteho@redhat.com> <1191487815172-git-send-email-swhiteho@redhat.com> <11914878173677-git-send-email-swhiteho@redhat.com> <11914878191964-git-send-email-swhiteho@redhat.com> <11914878214113-git-send-email-swhiteho@redhat.com> <11914878231394-git-send-email-swhiteho@redhat.com> <11914878252873-git-send-email-swhiteho@redhat.com> <11914878271468-git-send-email-swhiteho@redhat.com> <11914878283252-git-send-email-swhiteho@redhat.com> <11914878304004-git-send-email-swhiteho@redhat.com> <11914878323899-git-send-email-swhiteho@redhat.com> Message-ID: <11914878342921-git-send-email-swhiteho@redhat.com> List-Id: To: cluster-devel.redhat.com MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit From: Benjamin Marzinski match_token() was returning garbage data instead of a fail value. This data happened to match a valid option id for an option that required an argument (in this case, lockproto=%s) For match_token() to correctly fail if the option doesn't match any of the tokens, the token table must end with a NULL entry. This patch adds the NULL entry. Signed-off-by: Benjamin E. Marzinski Signed-off-by: Steven Whitehouse diff --git a/fs/gfs2/mount.c b/fs/gfs2/mount.c index 4864659..b941f9f 100644 --- a/fs/gfs2/mount.c +++ b/fs/gfs2/mount.c @@ -42,6 +42,7 @@ enum { Opt_nosuiddir, Opt_data_writeback, Opt_data_ordered, + Opt_err, }; static match_table_t tokens = { @@ -64,7 +65,8 @@ static match_table_t tokens = { {Opt_suiddir, "suiddir"}, {Opt_nosuiddir, "nosuiddir"}, {Opt_data_writeback, "data=writeback"}, - {Opt_data_ordered, "data=ordered"} + {Opt_data_ordered, "data=ordered"}, + {Opt_err, NULL} }; /** @@ -237,6 +239,7 @@ int gfs2_mount_args(struct gfs2_sbd *sdp, char *data_arg, int remount) case Opt_data_ordered: args->ar_data = GFS2_DATA_ORDERED; break; + case Opt_err: default: fs_info(sdp, "unknown option: %s\n", o); error = -EINVAL; -- 1.5.1.2 From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1760648AbXJDJ0O (ORCPT ); Thu, 4 Oct 2007 05:26:14 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1759422AbXJDJSB (ORCPT ); Thu, 4 Oct 2007 05:18:01 -0400 Received: from mx1.redhat.com ([66.187.233.31]:58784 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1759521AbXJDJR6 (ORCPT ); Thu, 4 Oct 2007 05:17:58 -0400 From: swhiteho@redhat.com To: linux-kernel@vger.kernel.org, cluster-devel@redhat.com Cc: Benjamin Marzinski , Steven Whitehouse Subject: [PATCH 24/51] [GFS2] Add NULL entry to token table Date: Thu, 4 Oct 2007 09:49:17 +0100 Message-Id: <11914878342921-git-send-email-swhiteho@redhat.com> X-Mailer: git-send-email 1.5.1.2 In-Reply-To: <11914878323899-git-send-email-swhiteho@redhat.com> References: <11914877842142-git-send-email-swhiteho@redhat.com> <11914877912880-git-send-email-swhiteho@redhat.com> <11914877934041-git-send-email-swhiteho@redhat.com> <11914877952291-git-send-email-swhiteho@redhat.com> <11914877971413-git-send-email-swhiteho@redhat.com> <11914877993073-git-send-email-swhiteho@redhat.com> <11914878002186-git-send-email-swhiteho@redhat.com> <1191487802255-git-send-email-swhiteho@redhat.com> <11914878043598-git-send-email-swhiteho@redhat.com> <11914878063121-git-send-email-swhiteho@redhat.com> <11914878081562-git-send-email-swhiteho@redhat.com> <11914878102813-git-send-email-swhiteho@redhat.com> <1191487812928-git-send-email-swhiteho@redhat.com> <11914878141625-git-send-email-swhiteho@redhat.com> <1191487815172-git-send-email-swhiteho@redhat.com> <11914878173677-git-send-email-swhiteho@redhat.com> <11914878191964-git-send-email-swhiteho@redhat.com> <11914878214113-git-send-email-swhiteho@redhat.com> <11914878231394-git-send-email-swhiteho@redhat.com> <11914878252873-git-send-email-swhiteho@redhat.com> <11914878271468-git-send-email-swhiteho@redhat.com> <11914878283252-git-send-email-swhiteho@redhat.com> <11914878304004-git-send-email-swhiteho@redhat.com> <11914878323899-git-send-email-swhiteho@redhat.com> Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org From: Benjamin Marzinski match_token() was returning garbage data instead of a fail value. This data happened to match a valid option id for an option that required an argument (in this case, lockproto=%s) For match_token() to correctly fail if the option doesn't match any of the tokens, the token table must end with a NULL entry. This patch adds the NULL entry. Signed-off-by: Benjamin E. Marzinski Signed-off-by: Steven Whitehouse diff --git a/fs/gfs2/mount.c b/fs/gfs2/mount.c index 4864659..b941f9f 100644 --- a/fs/gfs2/mount.c +++ b/fs/gfs2/mount.c @@ -42,6 +42,7 @@ enum { Opt_nosuiddir, Opt_data_writeback, Opt_data_ordered, + Opt_err, }; static match_table_t tokens = { @@ -64,7 +65,8 @@ static match_table_t tokens = { {Opt_suiddir, "suiddir"}, {Opt_nosuiddir, "nosuiddir"}, {Opt_data_writeback, "data=writeback"}, - {Opt_data_ordered, "data=ordered"} + {Opt_data_ordered, "data=ordered"}, + {Opt_err, NULL} }; /** @@ -237,6 +239,7 @@ int gfs2_mount_args(struct gfs2_sbd *sdp, char *data_arg, int remount) case Opt_data_ordered: args->ar_data = GFS2_DATA_ORDERED; break; + case Opt_err: default: fs_info(sdp, "unknown option: %s\n", o); error = -EINVAL; -- 1.5.1.2