diff options
| author | Ingo Molnar <mingo@elte.hu> | 2008-09-14 17:26:53 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2008-09-14 17:26:53 +0200 |
| commit | f81b691a3df09806385ea413c3a2ee094c705ca3 (patch) | |
| tree | 01c0d6d319fcbddc98171d06cfe8e742cd270455 /drivers/char/tty_io.c | |
| parent | 110e0358e7dfd9cc56d47077068f3680dae10b56 (diff) | |
| parent | adee14b2e1557d0a8559f29681732d05a89dfc35 (diff) | |
Merge commit 'v2.6.27-rc6' into x86/pat
Diffstat (limited to 'drivers/char/tty_io.c')
| -rw-r--r-- | drivers/char/tty_io.c | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/drivers/char/tty_io.c b/drivers/char/tty_io.c index a27160ba21d..daeb8f76697 100644 --- a/drivers/char/tty_io.c +++ b/drivers/char/tty_io.c @@ -2498,7 +2498,7 @@ static int tiocgwinsz(struct tty_struct *tty, struct winsize __user *arg) /** * tty_do_resize - resize event * @tty: tty being resized - * @real_tty: real tty (if using a pty/tty pair) + * @real_tty: real tty (not the same as tty if using a pty/tty pair) * @rows: rows (character) * @cols: cols (character) * @@ -2512,7 +2512,8 @@ int tty_do_resize(struct tty_struct *tty, struct tty_struct *real_tty, struct pid *pgrp, *rpgrp; unsigned long flags; - mutex_lock(&tty->termios_mutex); + /* For a PTY we need to lock the tty side */ + mutex_lock(&real_tty->termios_mutex); if (!memcmp(ws, &tty->winsize, sizeof(*ws))) goto done; /* Get the PID values and reference them so we can @@ -2533,7 +2534,7 @@ int tty_do_resize(struct tty_struct *tty, struct tty_struct *real_tty, tty->winsize = *ws; real_tty->winsize = *ws; done: - mutex_unlock(&tty->termios_mutex); + mutex_unlock(&real_tty->termios_mutex); return 0; } |