[PATCH] btrfs: add missing unlocks to transaction abort paths

[David Sterba]

Added in commit 49b25e0540904be0bf558b84475c69d72e4de66e
("btrfs: enhance transaction abort infrastructure")

Reported-by: Dan Carpenter <dan.carpen...@oracle.com>
Signed-off-by: David Sterba <dste...@suse.cz>
---
 fs/btrfs/transaction.c |    6 +++++-
 1 files changed, 5 insertions(+), 1 deletions(-)

diff --git a/fs/btrfs/transaction.c b/fs/btrfs/transaction.c
index 8da29e8..9bfa262 100644
--- a/fs/btrfs/transaction.c
+++ b/fs/btrfs/transaction.c
@@ -73,8 +73,10 @@ loop:
 
        cur_trans = root->fs_info->running_transaction;
        if (cur_trans) {
-               if (cur_trans->aborted)
+               if (cur_trans->aborted) {
+                       spin_unlock(&root->fs_info->trans_lock);
                        return cur_trans->aborted;
+               }
                atomic_inc(&cur_trans->use_count);
                atomic_inc(&cur_trans->num_writers);
                cur_trans->num_joined++;
@@ -1399,6 +1401,7 @@ int btrfs_commit_transaction(struct btrfs_trans_handle 
*trans,
        ret = commit_fs_roots(trans, root);
        if (ret) {
                mutex_unlock(&root->fs_info->tree_log_mutex);
+               mutex_unlock(&root->fs_info->reloc_mutex);
                goto cleanup_transaction;
        }
 
@@ -1410,6 +1413,7 @@ int btrfs_commit_transaction(struct btrfs_trans_handle 
*trans,
        ret = commit_cowonly_roots(trans, root);
        if (ret) {
                mutex_unlock(&root->fs_info->tree_log_mutex);
+               mutex_unlock(&root->fs_info->reloc_mutex);
                goto cleanup_transaction;
        }
 
-- 
1.7.6.233.gd79bc

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