Fixes wrong usage of parent request's fields in the response.

Reported by Erez Zilber <erezzi.list@gmail.com>

git-svn-id: https://scst.svn.sourceforge.net/svnroot/scst/trunk@945 d57e44dd-8a1f-0410-8b47-8ef2f437770f

diff --git a/iscsi-scst/kernel/nthread.c b/iscsi-scst/kernel/nthread.c
index 04b733f..8656db9 100644 (file)
--- a/iscsi-scst/kernel/nthread.c
+++ b/iscsi-scst/kernel/nthread.c
@@ -1090,16 +1090,19 @@ static int write_data(struct iscsi_conn *conn)
        int saved_size, size, sendsize;
        int length, offset, idx;
        int flags, res, count, sg_size;
-       bool do_put = false;
+       bool do_put = false, ref_cmd_to_parent;
 
        TRACE_ENTRY();
 
        iscsi_extracheck_is_wr_thread(conn);
 
-       if (write_cmnd->own_sg == 0)
+       if (write_cmnd->own_sg == 0) {
                ref_cmd = write_cmnd->parent_req;
-       else
+               ref_cmd_to_parent = true;
+       } else {
                ref_cmd = write_cmnd;
+               ref_cmd_to_parent = false;
+       }
 
        if (!ref_cmd->on_written_list) {
                TRACE_DBG("Adding cmd %p to conn %p written_list", ref_cmd,
@@ -1354,7 +1357,8 @@ out_err:
                            (long long unsigned int)conn->session->sid,
                            conn->cid, conn->write_cmnd);
        }
-       if ((ref_cmd->scst_cmd != NULL) || (ref_cmd->scst_aen != NULL)) {
+       if (ref_cmd_to_parent && 
+           ((ref_cmd->scst_cmd != NULL) || (ref_cmd->scst_aen != NULL))) {
                if (ref_cmd->scst_state == ISCSI_CMD_STATE_AEN)
                        scst_set_aen_delivery_status(ref_cmd->scst_aen,
                                SCST_AEN_RES_FAILED);