diff options
Diffstat (limited to 'fs/btrfs/dev-replace.c')
| -rw-r--r-- | fs/btrfs/dev-replace.c | 3 | 
1 files changed, 2 insertions, 1 deletions
diff --git a/fs/btrfs/dev-replace.c b/fs/btrfs/dev-replace.c index 5aebedf12b5f..c93eec9ca433 100644 --- a/fs/btrfs/dev-replace.c +++ b/fs/btrfs/dev-replace.c @@ -569,7 +569,8 @@ static int btrfs_dev_replace_finishing(struct btrfs_fs_info *fs_info,  	ASSERT(list_empty(&src_device->resized_list));  	tgt_device->commit_total_bytes = src_device->commit_total_bytes;  	tgt_device->commit_bytes_used = src_device->bytes_used; -	if (fs_info->sb->s_bdev == src_device->bdev) +	if (fs_info->sb->s_bdev && +		(fs_info->sb->s_bdev == src_device->bdev))  		fs_info->sb->s_bdev = tgt_device->bdev;  	if (fs_info->fs_devices->latest_bdev == src_device->bdev)  		fs_info->fs_devices->latest_bdev = tgt_device->bdev;  |