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| author | Olaf Hering <ohering@suse.de> | 2011-10-25 19:33:27 +0200 |
|---|---|---|
| committer | Olaf Hering <ohering@suse.de> | 2011-10-25 19:33:27 +0200 |
| commit | 4dfa3acf42508dcc6177b582107f90843706d050 (patch) | |
| tree | 24c19f4a19830ecc4dc527a245b78de1fb82b1de | |
| parent | 993e1d6331b03a698ace473f0e056f0daeeeb5ed (diff) | |
tty deadlock in kernel-xen, xenconsole (bnc#726333).rpm-3.1.0-1.1--openSUSE-12.1-RC2rpm-3.1.0-1.1
suse-commit: 68289aa24ce91a04a4746dfd01ac64503178184b
| -rw-r--r-- | drivers/xen/console/console.c | 7 |
1 files changed, 1 insertions, 6 deletions
diff --git a/drivers/xen/console/console.c b/drivers/xen/console/console.c index 4c2a6c7fb316..3926def0666e 100644 --- a/drivers/xen/console/console.c +++ b/drivers/xen/console/console.c @@ -623,16 +623,11 @@ static void xencons_close(struct tty_struct *tty, struct file *filp) if (DUMMY_TTY(tty)) return; - mutex_lock(&tty_mutex); - - if (tty->count != 1) { - mutex_unlock(&tty_mutex); + if (tty->count != 1) return; - } /* Prevent other threads from re-opening this tty. */ set_bit(TTY_CLOSING, &tty->flags); - mutex_unlock(&tty_mutex); tty->closing = 1; tty_wait_until_sent(tty, 0); |