tree 4ab99f916e843ee00f63d7b2c32b062bdef55499
parent e0fc5b1153b81571d6ff80902a54c3eb13319b33
author Pavel Shilovsky <pshilov@microsoft.com> 1576007092 -0800
committer Steve French <stfrench@microsoft.com> 1576219797 -0600

CIFS: Close cached root handle only if it has a lease

SMB2_tdis() checks if a root handle is valid in order to decide
whether it needs to close the handle or not. However if another
thread has reference for the handle, it may end up with putting
the reference twice. The extra reference that we want to put
during the tree disconnect is the reference that has a directory
lease. So, track the fact that we have a directory lease and
close the handle only in that case.

Signed-off-by: Pavel Shilovsky <pshilov@microsoft.com>
Reviewed-by: Ronnie Sahlberg <lsahlber@redhat.com>
Signed-off-by: Steve French <stfrench@microsoft.com>