diff options
author | André Fabian Silva Delgado <emulatorman@parabola.nu> | 2016-03-08 21:17:20 -0300 |
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committer | André Fabian Silva Delgado <emulatorman@parabola.nu> | 2016-03-08 21:17:20 -0300 |
commit | eccbe858ce6412b96fc7cb32eb23a3592f64e5f6 (patch) | |
tree | ed4f0e52d266bffc68a5b68afcfe69882b917efb /fs/btrfs/send.c | |
parent | 0c1ac6822620b9868cfad5b4c2c223c6cd6fbfd8 (diff) |
Linux-libre 4.4.4-gnupck-4.4.4-gnu
Diffstat (limited to 'fs/btrfs/send.c')
-rw-r--r-- | fs/btrfs/send.c | 16 |
1 files changed, 15 insertions, 1 deletions
diff --git a/fs/btrfs/send.c b/fs/btrfs/send.c index 355a458cb..63a6152be 100644 --- a/fs/btrfs/send.c +++ b/fs/btrfs/send.c @@ -1469,7 +1469,21 @@ static int read_symlink(struct btrfs_root *root, ret = btrfs_search_slot(NULL, root, &key, path, 0, 0); if (ret < 0) goto out; - BUG_ON(ret); + if (ret) { + /* + * An empty symlink inode. Can happen in rare error paths when + * creating a symlink (transaction committed before the inode + * eviction handler removed the symlink inode items and a crash + * happened in between or the subvol was snapshoted in between). + * Print an informative message to dmesg/syslog so that the user + * can delete the symlink. + */ + btrfs_err(root->fs_info, + "Found empty symlink inode %llu at root %llu", + ino, root->root_key.objectid); + ret = -EIO; + goto out; + } ei = btrfs_item_ptr(path->nodes[0], path->slots[0], struct btrfs_file_extent_item); |