diff options
Diffstat (limited to 'fs/smb/client/cifssmb.c')
| -rw-r--r-- | fs/smb/client/cifssmb.c | 46 |
1 files changed, 27 insertions, 19 deletions
diff --git a/fs/smb/client/cifssmb.c b/fs/smb/client/cifssmb.c index d07682020c64..4fc9485c5d91 100644 --- a/fs/smb/client/cifssmb.c +++ b/fs/smb/client/cifssmb.c @@ -114,19 +114,23 @@ again: mutex_lock(&ses->session_mutex); /* - * Recheck after acquire mutex. If another thread is negotiating - * and the server never sends an answer the socket will be closed - * and tcpStatus set to reconnect. + * Handle the case where a concurrent thread failed to negotiate or + * killed a channel. */ spin_lock(&server->srv_lock); - if (server->tcpStatus == CifsNeedReconnect) { + switch (server->tcpStatus) { + case CifsExiting: spin_unlock(&server->srv_lock); mutex_unlock(&ses->session_mutex); - - if (tcon->retry) - goto again; - rc = -EHOSTDOWN; - goto out; + return -EHOSTDOWN; + case CifsNeedReconnect: + spin_unlock(&server->srv_lock); + mutex_unlock(&ses->session_mutex); + if (!tcon->retry) + return -EHOSTDOWN; + goto again; + default: + break; } spin_unlock(&server->srv_lock); @@ -152,16 +156,20 @@ again: spin_unlock(&ses->ses_lock); rc = cifs_negotiate_protocol(0, ses, server); - if (!rc) { - rc = cifs_setup_session(0, ses, server, ses->local_nls); - if ((rc == -EACCES) || (rc == -EHOSTDOWN) || (rc == -EKEYREVOKED)) { - /* - * Try alternate password for next reconnect if an alternate - * password is available. - */ - if (ses->password2) - swap(ses->password2, ses->password); - } + if (rc) { + mutex_unlock(&ses->session_mutex); + if (!tcon->retry) + return -EHOSTDOWN; + goto again; + } + rc = cifs_setup_session(0, ses, server, ses->local_nls); + if ((rc == -EACCES) || (rc == -EHOSTDOWN) || (rc == -EKEYREVOKED)) { + /* + * Try alternate password for next reconnect if an alternate + * password is available. + */ + if (ses->password2) + swap(ses->password2, ses->password); } /* do we need to reconnect tcon? */ |