diff options
Diffstat (limited to 'fs/cifs/cifssmb.c')
| -rw-r--r-- | fs/cifs/cifssmb.c | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/fs/cifs/cifssmb.c b/fs/cifs/cifssmb.c index d179b0c3eee..6867e556d37 100644 --- a/fs/cifs/cifssmb.c +++ b/fs/cifs/cifssmb.c @@ -90,6 +90,18 @@ small_smb_init(int smb_command, int wct, struct cifsTconInfo *tcon, check for tcp and smb session status done differently for those three - in the calling routine */ if(tcon) { + if(tcon->tidStatus == CifsExiting) { + /* only tree disconnect, open, and write, + (and ulogoff which does not have tcon) + are allowed as we start force umount */ + if((smb_command != SMB_COM_WRITE_ANDX) && + (smb_command != SMB_COM_OPEN_ANDX) && + (smb_command != SMB_COM_TREE_DISCONNECT)) { + cFYI(1,("can not send cmd %d while umounting", + smb_command)); + return -ENODEV; + } + } if((tcon->ses) && (tcon->ses->status != CifsExiting) && (tcon->ses->server)){ struct nls_table *nls_codepage; @@ -187,6 +199,19 @@ smb_init(int smb_command, int wct, struct cifsTconInfo *tcon, check for tcp and smb session status done differently for those three - in the calling routine */ if(tcon) { + if(tcon->tidStatus == CifsExiting) { + /* only tree disconnect, open, and write, + (and ulogoff which does not have tcon) + are allowed as we start force umount */ + if((smb_command != SMB_COM_WRITE_ANDX) && + (smb_command != SMB_COM_OPEN_ANDX) && + (smb_command != SMB_COM_TREE_DISCONNECT)) { + cFYI(1,("can not send cmd %d while umounting", + smb_command)); + return -ENODEV; + } + } + if((tcon->ses) && (tcon->ses->status != CifsExiting) && (tcon->ses->server)){ struct nls_table *nls_codepage; |