diff options
| -rw-r--r-- | fs/btrfs/send.c | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/fs/btrfs/send.c b/fs/btrfs/send.c index d3ed9df7742..bef7ba638de 100644 --- a/fs/btrfs/send.c +++ b/fs/btrfs/send.c @@ -1890,13 +1890,20 @@ static void name_cache_delete(struct send_ctx *sctx, nce_head = radix_tree_lookup(&sctx->name_cache, (unsigned long)nce->ino); - BUG_ON(!nce_head); + if (!nce_head) { + btrfs_err(sctx->send_root->fs_info, + "name_cache_delete lookup failed ino %llu cache size %d, leaking memory", + nce->ino, sctx->name_cache_size); + } list_del(&nce->radix_list); list_del(&nce->list); sctx->name_cache_size--; - if (list_empty(nce_head)) { + /* + * We may not get to the final release of nce_head if the lookup fails + */ + if (nce_head && list_empty(nce_head)) { radix_tree_delete(&sctx->name_cache, (unsigned long)nce->ino); kfree(nce_head); } |