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| author | David S. Miller <davem@davemloft.net> | 2008-09-16 14:11:43 -0700 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2008-09-16 14:11:43 -0700 |
| commit | 2e57572a50a4de41c6cbc879a4866a312d4cd316 (patch) | |
| tree | c4f58ec96c06642c4b415b881d3f0a3b673d5b44 /drivers/char/tty_io.c | |
| parent | 9b2e43ae4e9609f80034dfe8de895045cac52d77 (diff) | |
| parent | f948cc6ab9e61a8e88d70ee9aafc690e6d26f92c (diff) | |
| download | blackbird-op-linux-2e57572a50a4de41c6cbc879a4866a312d4cd316.tar.gz blackbird-op-linux-2e57572a50a4de41c6cbc879a4866a312d4cd316.zip | |
Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/sparc-2.6
Conflicts:
arch/sparc64/kernel/pci_psycho.c
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 a27160ba21d7..daeb8f766971 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; } |
