SMB3.1.1: fix mount failure to some servers when compression enabled

When sending the compression context to some servers, they rejected
the SMB3.1.1 negotiate protocol because they expect the compression
context to have a data length of a multiple of 8.

Reviewed-by: Shyam Prasad N <sprasad@microsoft.com>
Signed-off-by: Steve French <stfrench@microsoft.com>

diff --git a/fs/cifs/smb2pdu.h b/fs/cifs/smb2pdu.h
index 4b27cb9..e9cac79 100644 (file)
--- a/fs/cifs/smb2pdu.h
+++ b/fs/cifs/smb2pdu.h
@@ -394,6 +394,7 @@ struct smb2_compression_capabilities_context {
        __u16   Padding;
        __u32   Flags;
        __le16  CompressionAlgorithms[3];
+       __u16   Pad;  /* Some servers require pad to DataLen multiple of 8 */
        /* Check if pad needed */
 } __packed;