Messages in this thread Patch in this message |  | | From | Jiri Slaby <> | Subject | [PATCH] tty: vt, fix bogus division in csi_J | Date | Mon, 3 Oct 2016 11:00:17 +0200 |
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In csi_J(3), the third parameter of scr_memsetw (vc_screenbuf_size) is divided by 2 inappropriatelly. But scr_memsetw expects size, not count, because it divides the size by 2 on its own before doing actual memset-by-words.
So remove the bogus division.
Signed-off-by: Jiri Slaby <jslaby@suse.cz> Cc: Petr Písař <ppisar@redhat.com> Fixes: f8df13e0a9 (tty: Clean console safely) --- drivers/tty/vt/vt.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/tty/vt/vt.c b/drivers/tty/vt/vt.c index 6b55078bda3f..e2cad4c2ba5a 100644 --- a/drivers/tty/vt/vt.c +++ b/drivers/tty/vt/vt.c @@ -1176,7 +1176,7 @@ static void csi_J(struct vc_data *vc, int vpar) 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); + vc->vc_screenbuf_size); set_origin(vc); if (con_is_visible(vc)) update_screen(vc); -- 2.10.0
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