diff options
| -rw-r--r-- | drivers/md/dm-table.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/md/dm-table.c b/drivers/md/dm-table.c index 8541d5688f3a..24ad42b385c1 100644 --- a/drivers/md/dm-table.c +++ b/drivers/md/dm-table.c @@ -364,6 +364,8 @@ int dm_get_device(struct dm_target *ti, const char *path, fmode_t mode, if (!dev) return -ENODEV; } + if (dev == disk_devt(t->md->disk)) + return -EINVAL; dd = find_device(&t->devices, dev); if (!dd) { |