On Thu, May 23, 2019 at 03:47:44PM -0700, Pavel Shilovsky wrote:
> From: Ronnie Sahlberg <lsahlber@xxxxxxxxxx>
>
> Commit d69cb728e70c ("cifs: fix credits leak for SMB1 oplock breaks").
>
> For SMB1 oplock breaks we would grab one credit while sending the PDU
> but we would never relese the credit back since we will never receive a
> response to this from the server. Eventuallt this would lead to a hang
> once all credits are leaked.
>
> Fix this by defining a new flag CIFS_NO_SRV_RSP which indicates that there
> is no server response to this command and thus we need to add any credits
> back immediately after sending the PDU.
>
> CC: Stable <stable@xxxxxxxxxxxxxxx> #v5.0+
> Signed-off-by: Ronnie Sahlberg <lsahlber@xxxxxxxxxx>
> Reviewed-by: Pavel Shilovsky <pshilov@xxxxxxxxxxxxx>
> Signed-off-by: Steve French <stfrench@xxxxxxxxxxxxx>
> ---
> fs/cifs/cifsglob.h | 1 +
> fs/cifs/cifssmb.c | 2 +-
> fs/cifs/transport.c | 10 +++++-----
> 3 files changed, 7 insertions(+), 6 deletions(-)
Now queued up, thanks.
greg k-h
