dm table: improve warning message when devices not freed before destruction

Report any devices forgotten to be freed before a table is destroyed.

Signed-off-by: Jonathan Brassow <jbrassow@redhat.com>
Signed-off-by: Alasdair G Kergon <agk@redhat.com>

1 files changed, 3 insertions, 5 deletions

diff --git a/drivers/md/dm-table.c b/drivers/md/dm-table.c
index 0e2210c0c168..af1ceae2582a 100644
--- a/drivers/md/dm-table.c
+++ b/drivers/md/dm-table.c
@@ -267,6 +267,8 @@ static void free_devices(struct list_head *devices)
         list_for_each_safe(tmp, next, devices) {
                 struct dm_dev_internal *dd =
                     list_entry(tmp, struct dm_dev_internal, list);
+                DMWARN("dm_table_destroy: dm_put_device call missing for %s",
+                       dd->dm_dev.name);
                 kfree(dd);
         }
 }
@@ -296,12 +298,8 @@ void dm_table_destroy(struct dm_table *t)
         vfree(t->highs);
 
         /* free the device list */
-        if (t->devices.next != &t->devices) {
-                DMWARN("devices still present during destroy: "
-                       "dm_table_remove_device calls missing");
-
+        if (t->devices.next != &t->devices)
                 free_devices(&t->devices);
-        }
 
         kfree(t);
 }