s390/fs3270: fix screen reset on activate

fs3270 uses EWRITEA to clear the screen when a user opens /dev/3270/tub.
However it misses the attribute byte after the EWRITEA, so (at least)
x3270 complains about 'Record too short, missing write flags'.
Add the missing flag byte to fix this.

Signed-off-by: Sven Schnelle <svens@linux.ibm.com>
Acked-by: Heiko Carstens <hca@linux.ibm.com>
Signed-off-by: Heiko Carstens <hca@linux.ibm.com>

diff --git a/drivers/s390/char/fs3270.c b/drivers/s390/char/fs3270.c
index 7975dbea8d1baf2be3959e32ebc83a06b7a134f7..aff38db1aa406a58dc102f04804dc84f4bf995a8 100644 (file)
--- a/drivers/s390/char/fs3270.c
+++ b/drivers/s390/char/fs3270.c
@@ -122,16 +122,19 @@ static int fs3270_activate(struct raw3270_view *view)
        if (!raw3270_request_final(fp->init))
                return 0;
 
+       raw3270_request_set_cmd(fp->init, TC_EWRITEA);
+       raw3270_request_set_idal(fp->init, fp->rdbuf);
+       fp->init->rescnt = 0;
+       cp = fp->rdbuf->data[0];
        if (fp->rdbuf_size == 0) {
                /* No saved buffer. Just clear the screen. */
-               raw3270_request_set_cmd(fp->init, TC_EWRITEA);
+               fp->init->ccw.count = 1;
                fp->init->callback = fs3270_reset_callback;
+               cp[0] = 0;
        } else {
                /* Restore fullscreen buffer saved by fs3270_deactivate. */
-               raw3270_request_set_cmd(fp->init, TC_EWRITEA);
-               raw3270_request_set_idal(fp->init, fp->rdbuf);
                fp->init->ccw.count = fp->rdbuf_size;
-               cp = fp->rdbuf->data[0];
+               fp->init->callback = fs3270_restore_callback;
                cp[0] = TW_KR;
                cp[1] = TO_SBA;
                cp[2] = cp[6];
@@ -140,8 +143,6 @@ static int fs3270_activate(struct raw3270_view *view)
                cp[5] = TO_SBA;
                cp[6] = 0x40;
                cp[7] = 0x40;
-               fp->init->rescnt = 0;
-               fp->init->callback = fs3270_restore_callback;
        }
        rc = raw3270_start_locked(view, fp->init);
        fp->init->rc = rc;