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| author | Jonathan Corbet <corbet@lwn.net> | 2016-11-19 00:13:41 +0100 |
|---|---|---|
| committer | Jonathan Corbet <corbet@lwn.net> | 2016-11-19 00:13:41 +0100 |
| commit | 917fef6f7ee8b2fe852692ac49771342bfef9433 (patch) | |
| tree | b5932aab90d449841803b6f8679a4564ca2a6eaf /drivers/tty/vt/vt.c | |
| parent | kernel-doc: add support for one line inline struct member doc comments (diff) | |
| parent | Linux 4.9-rc4 (diff) | |
| download | linux-917fef6f7ee8b2fe852692ac49771342bfef9433.tar.xz linux-917fef6f7ee8b2fe852692ac49771342bfef9433.zip | |
Merge tag 'v4.9-rc4' into sound
Bring in -rc4 patches so I can successfully merge the sound doc changes.
Diffstat (limited to 'drivers/tty/vt/vt.c')
| -rw-r--r-- | drivers/tty/vt/vt.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/drivers/tty/vt/vt.c b/drivers/tty/vt/vt.c index 06fb39c1d6dd..8c3bf3d613c0 100644 --- a/drivers/tty/vt/vt.c +++ b/drivers/tty/vt/vt.c @@ -870,10 +870,15 @@ static int vc_do_resize(struct tty_struct *tty, struct vc_data *vc, if (new_cols == vc->vc_cols && new_rows == vc->vc_rows) return 0; + if (new_screen_size > (4 << 20)) + return -EINVAL; newscreen = kmalloc(new_screen_size, GFP_USER); if (!newscreen) return -ENOMEM; + if (vc == sel_cons) + clear_selection(); + old_rows = vc->vc_rows; old_row_size = vc->vc_size_row; @@ -1176,7 +1181,7 @@ 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); |