diff options
| -rw-r--r-- | fs/cifs/cifsproto.h | 4 | ||||
| -rw-r--r-- | fs/cifs/cifssmb.c | 3 | ||||
| -rw-r--r-- | fs/cifs/connect.c | 78 |
3 files changed, 52 insertions, 33 deletions
diff --git a/fs/cifs/cifsproto.h b/fs/cifs/cifsproto.h index 8e9214275e42..6fa808ec7e36 100644 --- a/fs/cifs/cifsproto.h +++ b/fs/cifs/cifsproto.h @@ -138,7 +138,9 @@ extern void cifs_dfs_release_automount_timer(void); void cifs_proc_init(void); void cifs_proc_clean(void); -extern int cifs_setup_session(unsigned int xid, struct cifsSesInfo *pSesInfo, +extern int cifs_negotiate_protocol(unsigned int xid, + struct cifsSesInfo *ses); +extern int cifs_setup_session(unsigned int xid, struct cifsSesInfo *ses, struct nls_table *nls_info); extern int CIFSSMBNegotiate(unsigned int xid, struct cifsSesInfo *ses); diff --git a/fs/cifs/cifssmb.c b/fs/cifs/cifssmb.c index 1372253a0606..30742d8eef14 100644 --- a/fs/cifs/cifssmb.c +++ b/fs/cifs/cifssmb.c @@ -172,7 +172,8 @@ cifs_reconnect_tcon(struct cifsTconInfo *tcon, int smb_command) * reconnect the same SMB session */ mutex_lock(&ses->session_mutex); - if (ses->need_reconnect) + rc = cifs_negotiate_protocol(0, ses); + if (rc == 0 && ses->need_reconnect) rc = cifs_setup_session(0, ses, nls_codepage); /* do we need to reconnect tcon? */ diff --git a/fs/cifs/connect.c b/fs/cifs/connect.c index 9123c23bd1d9..2208f06e4c45 100644 --- a/fs/cifs/connect.c +++ b/fs/cifs/connect.c @@ -1651,6 +1651,14 @@ cifs_get_smb_ses(struct TCP_Server_Info *server, struct smb_vol *volume_info) cifs_put_tcp_session(server); mutex_lock(&ses->session_mutex); + rc = cifs_negotiate_protocol(xid, ses); + if (rc) { + mutex_unlock(&ses->session_mutex); + /* problem -- put our ses reference */ + cifs_put_smb_ses(ses); + FreeXid(xid); + return ERR_PTR(rc); + } if (ses->need_reconnect) { cFYI(1, "Session needs reconnect"); rc = cifs_setup_session(xid, ses, @@ -1702,7 +1710,9 @@ cifs_get_smb_ses(struct TCP_Server_Info *server, struct smb_vol *volume_info) ses->overrideSecFlg = volume_info->secFlg; mutex_lock(&ses->session_mutex); - rc = cifs_setup_session(xid, ses, volume_info->local_nls); + rc = cifs_negotiate_protocol(xid, ses); + if (!rc) + rc = cifs_setup_session(xid, ses, volume_info->local_nls); mutex_unlock(&ses->session_mutex); if (rc) goto get_ses_fail; @@ -2874,55 +2884,61 @@ cifs_umount(struct super_block *sb, struct cifs_sb_info *cifs_sb) return rc; } -int cifs_setup_session(unsigned int xid, struct cifsSesInfo *pSesInfo, - struct nls_table *nls_info) +int cifs_negotiate_protocol(unsigned int xid, struct cifsSesInfo *ses) { int rc = 0; - struct TCP_Server_Info *server = pSesInfo->server; - - /* what if server changes its buffer size after dropping the session? */ - if (server->maxBuf == 0) /* no need to send on reconnect */ { - rc = CIFSSMBNegotiate(xid, pSesInfo); - if (rc == -EAGAIN) { - /* retry only once on 1st time connection */ - rc = CIFSSMBNegotiate(xid, pSesInfo); - if (rc == -EAGAIN) - rc = -EHOSTDOWN; - } - if (rc == 0) { - spin_lock(&GlobalMid_Lock); - if (server->tcpStatus != CifsExiting) - server->tcpStatus = CifsGood; - else - rc = -EHOSTDOWN; - spin_unlock(&GlobalMid_Lock); + struct TCP_Server_Info *server = ses->server; - } + /* only send once per connect */ + if (server->maxBuf != 0) + return 0; + + rc = CIFSSMBNegotiate(xid, ses); + if (rc == -EAGAIN) { + /* retry only once on 1st time connection */ + rc = CIFSSMBNegotiate(xid, ses); + if (rc == -EAGAIN) + rc = -EHOSTDOWN; } + if (rc == 0) { + spin_lock(&GlobalMid_Lock); + if (server->tcpStatus != CifsExiting) + server->tcpStatus = CifsGood; + else + rc = -EHOSTDOWN; + spin_unlock(&GlobalMid_Lock); - if (rc) - goto ss_err_exit; + } + + return rc; +} + + +int cifs_setup_session(unsigned int xid, struct cifsSesInfo *ses, + struct nls_table *nls_info) +{ + int rc = 0; + struct TCP_Server_Info *server = ses->server; - pSesInfo->flags = 0; - pSesInfo->capabilities = server->capabilities; + ses->flags = 0; + ses->capabilities = server->capabilities; if (linuxExtEnabled == 0) - pSesInfo->capabilities &= (~CAP_UNIX); + ses->capabilities &= (~CAP_UNIX); cFYI(1, "Security Mode: 0x%x Capabilities: 0x%x TimeAdjust: %d", server->secMode, server->capabilities, server->timeAdj); - rc = CIFS_SessSetup(xid, pSesInfo, nls_info); + rc = CIFS_SessSetup(xid, ses, nls_info); if (rc) { cERROR(1, "Send error in SessSetup = %d", rc); } else { cFYI(1, "CIFS Session Established successfully"); spin_lock(&GlobalMid_Lock); - pSesInfo->status = CifsGood; - pSesInfo->need_reconnect = false; + ses->status = CifsGood; + ses->need_reconnect = false; spin_unlock(&GlobalMid_Lock); } -ss_err_exit: return rc; } |