1 files changed, 4 insertions, 0 deletions

diff --git a/drivers/md/dm-mpath.c b/drivers/md/dm-mpath.c
index 58b1015260fa..3d7f4923cd13 100644
--- a/drivers/md/dm-mpath.c
+++ b/drivers/md/dm-mpath.c
@@ -708,6 +708,10 @@ static int parse_hw_handler(struct arg_set *as, struct multipath *m)
                 m->hw_handler_name = NULL;
                 return -EINVAL;
         }
+
+        if (hw_argc > 1)
+                DMWARN("Ignoring user-specified arguments for "
+                       "hardware handler \"%s\"", m->hw_handler_name);
         consume(as, hw_argc - 1);
 
         return 0;