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-rw-r--r--drivers/md/dm-mpath.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/md/dm-mpath.c b/drivers/md/dm-mpath.c
index 9f570b2ab7b..230d7890ec8 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;