diff options
| -rw-r--r-- | fs/cifs/connect.c | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/fs/cifs/connect.c b/fs/cifs/connect.c index aae90953e07f..637ba0066636 100644 --- a/fs/cifs/connect.c +++ b/fs/cifs/connect.c @@ -5548,6 +5548,8 @@ int cifs_tree_connect(const unsigned int xid, struct cifs_tcon *tcon, const stru const char *dfs_host; size_t dfs_host_len; char *share = NULL, *prefix = NULL; + struct dfs_info3_param ref = {0}; + bool isroot; tree = kzalloc(MAX_TREE_SIZE, GFP_KERNEL); if (!tree) @@ -5563,9 +5565,11 @@ int cifs_tree_connect(const unsigned int xid, struct cifs_tcon *tcon, const stru goto out; } - rc = dfs_cache_noreq_find(tcon->dfs_path + 1, NULL, &tl); + rc = dfs_cache_noreq_find(tcon->dfs_path + 1, &ref, &tl); if (rc) goto out; + isroot = ref.server_type == DFS_TYPE_ROOT; + free_dfs_info_param(&ref); extract_unc_hostname(server->hostname, &tcp_host, &tcp_host_len); @@ -5609,7 +5613,8 @@ int cifs_tree_connect(const unsigned int xid, struct cifs_tcon *tcon, const stru } else { scnprintf(tree, MAX_TREE_SIZE, "\\%s", share); rc = ops->tree_connect(xid, tcon->ses, tree, tcon, nlsc); - if (!rc) { + /* Only handle prefix paths of DFS link targets */ + if (!rc && !isroot) { rc = update_super_prepath(tcon, prefix); break; } |