diff options
author | Jiri Slaby <jslaby@suse.cz> | 2016-10-03 05:00:17 -0400 |
---|---|---|
committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2016-10-27 10:00:31 -0400 |
commit | 42acfc6615f47e465731c263bee0c799edb098f2 (patch) | |
tree | 7c2edab281d3c0933742625c66767ebc5ac8bc1a | |
parent | 07d9a380680d1c0eb51ef87ff2eab5c994949e69 (diff) |
tty: vt, fix bogus division in csi_J
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)
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
-rw-r--r-- | drivers/tty/vt/vt.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/tty/vt/vt.c b/drivers/tty/vt/vt.c index 06fb39c1d6dd..ae203c2cd15a 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) | |||
1176 | break; | 1176 | break; |
1177 | case 3: /* erase scroll-back buffer (and whole display) */ | 1177 | case 3: /* erase scroll-back buffer (and whole display) */ |
1178 | scr_memsetw(vc->vc_screenbuf, vc->vc_video_erase_char, | 1178 | scr_memsetw(vc->vc_screenbuf, vc->vc_video_erase_char, |
1179 | vc->vc_screenbuf_size >> 1); | 1179 | vc->vc_screenbuf_size); |
1180 | set_origin(vc); | 1180 | set_origin(vc); |
1181 | if (con_is_visible(vc)) | 1181 | if (con_is_visible(vc)) |
1182 | update_screen(vc); | 1182 | update_screen(vc); |