1 files changed, 19 insertions, 0 deletions

diff --git a/fs/cifs/smb1ops.c b/fs/cifs/smb1ops.c
index 3668e81a9d81..daa2edec391e 100644
--- a/fs/cifs/smb1ops.c
+++ b/fs/cifs/smb1ops.c
@@ -66,11 +66,29 @@ cifs_compare_fids(struct cifsFileInfo *ob1, struct cifsFileInfo *ob2)
         return ob1->netfid == ob2->netfid;
 }
 
+static unsigned int
+cifs_read_data_offset(char *buf)
+{
+        READ_RSP *rsp = (READ_RSP *)buf;
+        return le16_to_cpu(rsp->DataOffset);
+}
+
+static unsigned int
+cifs_read_data_length(char *buf)
+{
+        READ_RSP *rsp = (READ_RSP *)buf;
+        return (le16_to_cpu(rsp->DataLengthHigh) << 16) +
+               le16_to_cpu(rsp->DataLength);
+}
+
 struct smb_version_operations smb1_operations = {
         .send_cancel = send_nt_cancel,
         .compare_fids = cifs_compare_fids,
         .setup_request = cifs_setup_request,
         .check_receive = cifs_check_receive,
+        .read_data_offset = cifs_read_data_offset,
+        .read_data_length = cifs_read_data_length,
+        .map_error = map_smb_to_linux_error,
 };
 
 struct smb_version_values smb1_values = {
@@ -81,4 +99,5 @@ struct smb_version_values smb1_values = {
         .unlock_lock_type = 0,
         .header_size = sizeof(struct smb_hdr),
         .max_header_size = MAX_CIFS_HDR_SIZE,
+        .read_rsp_size = sizeof(READ_RSP),
 };