Btrfs: fix memory leak in start_transaction()
Free btrfs_trans_handle when join_transaction() fails in start_transaction() Signed-off-by: Yoshinori Sano <yoshinori.sano@gmail.com> Signed-off-by: Chris Mason <chris.mason@oracle.com>
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@ -197,6 +197,7 @@ again:
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ret = join_transaction(root);
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if (ret < 0) {
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kmem_cache_free(btrfs_trans_handle_cachep, h);
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if (type != TRANS_JOIN_NOLOCK)
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mutex_unlock(&root->fs_info->trans_mutex);
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return ERR_PTR(ret);
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