diff options
| author | Linus Torvalds <torvalds@linux-foundation.org> | 2010-09-07 14:04:09 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2010-09-07 14:04:09 -0700 |
| commit | 608a5ffc3ee0d6f4aff53e902659201eeaeb9c06 (patch) | |
| tree | 38658ba63eb2fccaf9f3d23112c84a31a40e257f /drivers/char | |
| parent | 78f220a84f464ff1a74d1b646e9b96bdddc47050 (diff) | |
| parent | 6eb68d6f3bf1707d5d816ea9242b7d38f25b942e (diff) | |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty-2.6
* git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty-2.6:
tty: fix tty_line must not be equal to number of allocated tty pointers in tty driver
serial: bfin_sport_uart: restore transmit frame sync fix
serial: fix port type conflict between NS16550A & U6_16550A
MAINTAINERS: orphan isicom
vt: Fix console corruption on driver hand-over.
Diffstat (limited to 'drivers/char')
| -rw-r--r-- | drivers/char/tty_io.c | 2 | ||||
| -rw-r--r-- | drivers/char/vt.c | 15 |
2 files changed, 5 insertions, 12 deletions
diff --git a/drivers/char/tty_io.c b/drivers/char/tty_io.c index 949067a0bd4..613c852ee0f 100644 --- a/drivers/char/tty_io.c +++ b/drivers/char/tty_io.c @@ -355,7 +355,7 @@ struct tty_driver *tty_find_polling_driver(char *name, int *line) if (*stp == '\0') stp = NULL; - if (tty_line >= 0 && tty_line <= p->num && p->ops && + if (tty_line >= 0 && tty_line < p->num && p->ops && p->ops->poll_init && !p->ops->poll_init(p, tty_line, stp)) { res = tty_driver_kref_get(p); *line = tty_line; diff --git a/drivers/char/vt.c b/drivers/char/vt.c index 50590c7f2c0..281aada7b4a 100644 --- a/drivers/char/vt.c +++ b/drivers/char/vt.c @@ -906,22 +906,16 @@ static int vc_do_resize(struct tty_struct *tty, struct vc_data *vc, * bottom of buffer */ old_origin += (old_rows - new_rows) * old_row_size; - end = vc->vc_scr_end; } else { /* * Cursor is in no man's land, copy 1/2 screenful * from the top and bottom of cursor position */ old_origin += (vc->vc_y - new_rows/2) * old_row_size; - end = old_origin + (old_row_size * new_rows); } - } else - /* - * Cursor near the top, copy contents from the top of buffer - */ - end = (old_rows > new_rows) ? old_origin + - (old_row_size * new_rows) : - vc->vc_scr_end; + } + + end = old_origin + old_row_size * min(old_rows, new_rows); update_attr(vc); @@ -3075,8 +3069,7 @@ static int bind_con_driver(const struct consw *csw, int first, int last, old_was_color = vc->vc_can_do_color; vc->vc_sw->con_deinit(vc); - if (!vc->vc_origin) - vc->vc_origin = (unsigned long)vc->vc_screenbuf; + vc->vc_origin = (unsigned long)vc->vc_screenbuf; visual_init(vc, i, 0); set_origin(vc); update_attr(vc); |