Commit 148acff6 authored Jul 21, 2008 by Mikulas Patocka Committed by Alasdair G Kergon Jul 21, 2008

dm mpath: return parameter error



Return a specific error message if there are an invalid number of multipath
arguments.

This invalid command returns an "Unknown error" because the ti->error field is
not set

dmsetup create --table '0 2 multipath 0 0 1 1 round-robin 0 1 1 /dev/sdh' mpath0

Signed-off-by: Mikulas Patocka <mpatocka@redhat.com>
Signed-off-by: Alasdair G Kergon <agk@redhat.com>

parent 6ae2fa67

drivers/md/dm-mpath.c

+3 −1

Original line number	Diff line number	Diff line
		@@ -625,8 +625,10 @@ static struct priority_group parse_priority_group(struct arg_set as,
		struct pgpath *pgpath;
		struct arg_set path_args;

		if (as->argc < nr_params)
		if (as->argc < nr_params) {
		ti->error = "not enough path parameters";
		goto bad;
		}

		path_args.argc = nr_params;
		path_args.argv = as->argv;