diff options
Diffstat (limited to 'drivers/md/md-bitmap.c')
| -rw-r--r-- | drivers/md/md-bitmap.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/drivers/md/md-bitmap.c b/drivers/md/md-bitmap.c index 80b0cd7b8899..deb40a8ba399 100644 --- a/drivers/md/md-bitmap.c +++ b/drivers/md/md-bitmap.c @@ -2119,7 +2119,10 @@ int md_bitmap_get_stats(struct bitmap *bitmap, struct md_bitmap_stats *stats) if (!bitmap) return -ENOENT; - + if (bitmap->mddev->bitmap_info.external) + return -ENOENT; + if (!bitmap->storage.sb_page) /* no superblock */ + return -EINVAL; sb = kmap_local_page(bitmap->storage.sb_page); stats->sync_size = le64_to_cpu(sb->sync_size); kunmap_local(sb); |