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path: root/fs/cifs/smb2pdu.c
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Diffstat (limited to 'fs/cifs/smb2pdu.c')
-rw-r--r--fs/cifs/smb2pdu.c113
1 files changed, 1 insertions, 112 deletions
diff --git a/fs/cifs/smb2pdu.c b/fs/cifs/smb2pdu.c
index 492688764004..24c2ac360591 100644
--- a/fs/cifs/smb2pdu.c
+++ b/fs/cifs/smb2pdu.c
@@ -152,117 +152,6 @@ out:
return;
}
-#ifdef CONFIG_CIFS_DFS_UPCALL
-static int __smb2_reconnect(const struct nls_table *nlsc,
- struct cifs_tcon *tcon)
-{
- int rc;
- struct TCP_Server_Info *server = tcon->ses->server;
- struct dfs_cache_tgt_list tl;
- struct dfs_cache_tgt_iterator *it = NULL;
- char *tree;
- const char *tcp_host;
- size_t tcp_host_len;
- const char *dfs_host;
- size_t dfs_host_len;
-
- tree = kzalloc(MAX_TREE_SIZE, GFP_KERNEL);
- if (!tree)
- return -ENOMEM;
-
- if (!tcon->dfs_path) {
- if (tcon->ipc) {
- scnprintf(tree, MAX_TREE_SIZE, "\\\\%s\\IPC$",
- server->hostname);
- rc = SMB2_tcon(0, tcon->ses, tree, tcon, nlsc);
- } else {
- rc = SMB2_tcon(0, tcon->ses, tcon->treeName, tcon,
- nlsc);
- }
- goto out;
- }
-
- rc = dfs_cache_noreq_find(tcon->dfs_path + 1, NULL, &tl);
- if (rc)
- goto out;
-
- extract_unc_hostname(server->hostname, &tcp_host, &tcp_host_len);
-
- for (it = dfs_cache_get_tgt_iterator(&tl); it;
- it = dfs_cache_get_next_tgt(&tl, it)) {
- const char *share, *prefix;
- size_t share_len, prefix_len;
- bool target_match;
-
- rc = dfs_cache_get_tgt_share(it, &share, &share_len, &prefix,
- &prefix_len);
- if (rc) {
- cifs_dbg(VFS, "%s: failed to parse target share %d\n",
- __func__, rc);
- continue;
- }
-
- extract_unc_hostname(share, &dfs_host, &dfs_host_len);
-
- if (dfs_host_len != tcp_host_len
- || strncasecmp(dfs_host, tcp_host, dfs_host_len) != 0) {
- cifs_dbg(FYI, "%s: %.*s doesn't match %.*s\n",
- __func__,
- (int)dfs_host_len, dfs_host,
- (int)tcp_host_len, tcp_host);
-
- rc = match_target_ip(server, dfs_host, dfs_host_len,
- &target_match);
- if (rc) {
- cifs_dbg(VFS, "%s: failed to match target ip: %d\n",
- __func__, rc);
- break;
- }
-
- if (!target_match) {
- cifs_dbg(FYI, "%s: skipping target\n", __func__);
- continue;
- }
- }
-
- if (tcon->ipc) {
- scnprintf(tree, MAX_TREE_SIZE, "\\\\%.*s\\IPC$",
- (int)share_len, share);
- rc = SMB2_tcon(0, tcon->ses, tree, tcon, nlsc);
- } else {
- scnprintf(tree, MAX_TREE_SIZE, "\\%.*s", (int)share_len,
- share);
- rc = SMB2_tcon(0, tcon->ses, tree, tcon, nlsc);
- if (!rc) {
- rc = update_super_prepath(tcon, prefix,
- prefix_len);
- break;
- }
- }
- if (rc == -EREMOTE)
- break;
- }
-
- if (!rc) {
- if (it)
- rc = dfs_cache_noreq_update_tgthint(tcon->dfs_path + 1,
- it);
- else
- rc = -ENOENT;
- }
- dfs_cache_free_tgts(&tl);
-out:
- kfree(tree);
- return rc;
-}
-#else
-static inline int __smb2_reconnect(const struct nls_table *nlsc,
- struct cifs_tcon *tcon)
-{
- return SMB2_tcon(0, tcon->ses, tcon->treeName, tcon, nlsc);
-}
-#endif
-
static int
smb2_reconnect(__le16 smb2_command, struct cifs_tcon *tcon,
struct TCP_Server_Info *server)
@@ -409,7 +298,7 @@ smb2_reconnect(__le16 smb2_command, struct cifs_tcon *tcon,
if (tcon->use_persistent)
tcon->need_reopen_files = true;
- rc = __smb2_reconnect(nls_codepage, tcon);
+ rc = cifs_tree_connect(0, tcon, nls_codepage);
mutex_unlock(&tcon->ses->session_mutex);
cifs_dbg(FYI, "reconnect tcon rc = %d\n", rc);