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tty: Clean console safely
[cascardo/linux.git]
/
drivers
/
tty
/
vt
/
vt.c
diff --git
a/drivers/tty/vt/vt.c
b/drivers/tty/vt/vt.c
index
a48da20
..
b3915b7
100644
(file)
--- a/
drivers/tty/vt/vt.c
+++ b/
drivers/tty/vt/vt.c
@@
-1193,6
+1193,13
@@
static void csi_J(struct vc_data *vc, int vpar)
vc->vc_x + 1);
}
break;
vc->vc_x + 1);
}
break;
+ case 3: /* erase scroll-back buffer (and whole display) */
+ scr_memsetw(vc->vc_screenbuf, vc->vc_video_erase_char,
+ vc->vc_screenbuf_size >> 1);
+ set_origin(vc);
+ if (CON_IS_VISIBLE(vc))
+ update_screen(vc);
+ /* fall through */
case 2: /* erase whole display */
count = vc->vc_cols * vc->vc_rows;
start = (unsigned short *)vc->vc_origin;
case 2: /* erase whole display */
count = vc->vc_cols * vc->vc_rows;
start = (unsigned short *)vc->vc_origin;