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-rw-r--r--fs/btrfs/sysfs.c10
1 files changed, 8 insertions, 2 deletions
diff --git a/fs/btrfs/sysfs.c b/fs/btrfs/sysfs.c
index 782374d..865f4cf 100644
--- a/fs/btrfs/sysfs.c
+++ b/fs/btrfs/sysfs.c
@@ -578,8 +578,14 @@ static int add_device_membership(struct btrfs_fs_info *fs_info)
return -ENOMEM;
list_for_each_entry(dev, &fs_devices->devices, dev_list) {
- struct hd_struct *disk = dev->bdev->bd_part;
- struct kobject *disk_kobj = &part_to_dev(disk)->kobj;
+ struct hd_struct *disk;
+ struct kobject *disk_kobj;
+
+ if (!dev->bdev)
+ continue;
+
+ disk = dev->bdev->bd_part;
+ disk_kobj = &part_to_dev(disk)->kobj;
error = sysfs_create_link(fs_info->device_dir_kobj,
disk_kobj, disk_kobj->name);
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