diff options
| author | Steve French <stfrench@microsoft.com> | 2019-07-25 18:13:10 -0500 |
|---|---|---|
| committer | Steve French <stfrench@microsoft.com> | 2019-08-05 22:50:38 -0500 |
| commit | 8d33096a460d5b9bd13300f01615df5bb454db10 (patch) | |
| tree | ce78d625cb14e0f9ab67af127a80f69dac726f40 /fs | |
| parent | 3edeb4a4146dc3b54d6fa71b7ee0585cb52ebfdf (diff) | |
| download | lwn-8d33096a460d5b9bd13300f01615df5bb454db10.tar.gz lwn-8d33096a460d5b9bd13300f01615df5bb454db10.zip | |
smb3: send CAP_DFS capability during session setup
We had a report of a server which did not do a DFS referral
because the session setup Capabilities field was set to 0
(unlike negotiate protocol where we set CAP_DFS). Better to
send it session setup in the capabilities as well (this also
more closely matches Windows client behavior).
Signed-off-by: Steve French <stfrench@microsoft.com>
Reviewed-off-by: Ronnie Sahlberg <lsahlber@redhat.com>
Reviewed-by: Pavel Shilovsky <pshilov@microsoft.com>
CC: Stable <stable@vger.kernel.org>
Diffstat (limited to 'fs')
| -rw-r--r-- | fs/cifs/smb2pdu.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/fs/cifs/smb2pdu.c b/fs/cifs/smb2pdu.c index 33efc5fb293c..31e4a1b0b170 100644 --- a/fs/cifs/smb2pdu.c +++ b/fs/cifs/smb2pdu.c @@ -1196,7 +1196,12 @@ SMB2_sess_alloc_buffer(struct SMB2_sess_data *sess_data) else req->SecurityMode = 0; +#ifdef CONFIG_CIFS_DFS_UPCALL + req->Capabilities = cpu_to_le32(SMB2_GLOBAL_CAP_DFS); +#else req->Capabilities = 0; +#endif /* DFS_UPCALL */ + req->Channel = 0; /* MBZ */ sess_data->iov[0].iov_base = (char *)req; |