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| author |   Mikulas Patocka <mpatocka@redhat.com> | 2008-07-21 12:00:30 +0100 |
|---|---|---|
| committer |   Alasdair G Kergon <agk@redhat.com> | 2008-07-21 12:00:30 +0100 |
| commit | 148acff615b403168cdf39e55bfcfaa6e4a7d233 (patch) | |
| tree | e9879aecb1403f89ec1a6d37d2608dd9bf51e2ef /drivers/md/dm-mpath.c | |
| parent | dm io: remove struct padding (diff) | |
| download | linux-dev-148acff615b403168cdf39e55bfcfaa6e4a7d233.tar.xz linux-dev-148acff615b403168cdf39e55bfcfaa6e4a7d233.zip | |
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>
Diffstat (limited to 'drivers/md/dm-mpath.c')
| -rw-r--r-- | drivers/md/dm-mpath.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/md/dm-mpath.c b/drivers/md/dm-mpath.c index 9f570b2ab7b4..230d7890ec8a 100644 --- a/drivers/md/dm-mpath.c +++ b/drivers/md/dm-mpath.c @@ -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; |