list_del_init(&server->tcp_ses_list);
spin_unlock(&cifs_tcp_ses_lock);
- /* For secondary channels, we pick up ref-count on the primary server */
- if (SERVER_IS_CHAN(server))
- cifs_put_tcp_session(server->primary_server, from_reconnect);
-
cancel_delayed_work_sync(&server->echo);
if (from_reconnect)
else
cancel_delayed_work_sync(&server->reconnect);
+ /* For secondary channels, we pick up ref-count on the primary server */
+ if (SERVER_IS_CHAN(server))
+ cifs_put_tcp_session(server->primary_server, from_reconnect);
+
spin_lock(&server->srv_lock);
server->tcpStatus = CifsExiting;
spin_unlock(&server->srv_lock);
static int
smb2_reconnect(__le16 smb2_command, struct cifs_tcon *tcon,
- struct TCP_Server_Info *server)
+ struct TCP_Server_Info *server, bool from_reconnect)
{
int rc = 0;
struct nls_table *nls_codepage = NULL;
* as cifs_put_tcp_session takes a higher lock
* i.e. cifs_tcp_ses_lock
*/
- cifs_put_tcp_session(server, 1);
+ cifs_put_tcp_session(server, from_reconnect);
server->terminate = true;
cifs_signal_cifsd_for_reconnect(server, false);
{
int rc;
- rc = smb2_reconnect(smb2_command, tcon, server);
+ rc = smb2_reconnect(smb2_command, tcon, server, false);
if (rc)
return rc;
int rc;
bool resched = false;
+ /* first check if ref count has reached 0, if not inc ref count */
+ spin_lock(&cifs_tcp_ses_lock);
+ if (!server->srv_count) {
+ spin_unlock(&cifs_tcp_ses_lock);
+ return;
+ }
+ server->srv_count++;
+ spin_unlock(&cifs_tcp_ses_lock);
+
/* If server is a channel, select the primary channel */
pserver = SERVER_IS_CHAN(server) ? server->primary_server : server;
}
spin_unlock(&ses->chan_lock);
}
- /*
- * Get the reference to server struct to be sure that the last call of
- * cifs_put_tcon() in the loop below won't release the server pointer.
- */
- if (tcon_exist || ses_exist)
- server->srv_count++;
-
spin_unlock(&cifs_tcp_ses_lock);
list_for_each_entry_safe(tcon, tcon2, &tmp_list, rlist) {
- rc = smb2_reconnect(SMB2_INTERNAL_CMD, tcon, server);
+ rc = smb2_reconnect(SMB2_INTERNAL_CMD, tcon, server, true);
if (!rc)
cifs_reopen_persistent_handles(tcon);
else
/* now reconnect sessions for necessary channels */
list_for_each_entry_safe(ses, ses2, &tmp_ses_list, rlist) {
tcon->ses = ses;
- rc = smb2_reconnect(SMB2_INTERNAL_CMD, tcon, server);
+ rc = smb2_reconnect(SMB2_INTERNAL_CMD, tcon, server, true);
if (rc)
resched = true;
list_del_init(&ses->rlist);
mutex_unlock(&pserver->reconnect_mutex);
/* now we can safely release srv struct */
- if (tcon_exist || ses_exist)
- cifs_put_tcp_session(server, 1);
+ cifs_put_tcp_session(server, true);
}
int