diff options
| author | Paul Mackerras <paulus@samba.org> | 2006-08-08 17:09:11 +1000 |
|---|---|---|
| committer | Paul Mackerras <paulus@samba.org> | 2006-08-08 17:09:11 +1000 |
| commit | 32bc6e095d75233e7c87cc6fa0e07942b124d194 (patch) | |
| tree | 8f83ef9a23d52d1305878b65dd98fc22b09b7f3e /drivers/char/hvsi.c | |
| parent | 5cf13911b1e72707b6f0eb39b2d819ec6e343d76 (diff) | |
| parent | 81b73dd92b97423b8f5324a59044da478c04f4c4 (diff) | |
| download | lwn-32bc6e095d75233e7c87cc6fa0e07942b124d194.tar.gz lwn-32bc6e095d75233e7c87cc6fa0e07942b124d194.zip | |
Merge branch 'merge'
Diffstat (limited to 'drivers/char/hvsi.c')
| -rw-r--r-- | drivers/char/hvsi.c | 8 |
1 files changed, 3 insertions, 5 deletions
diff --git a/drivers/char/hvsi.c b/drivers/char/hvsi.c index 9101784ecf02..a89a95fb5e40 100644 --- a/drivers/char/hvsi.c +++ b/drivers/char/hvsi.c @@ -311,7 +311,8 @@ static void hvsi_recv_control(struct hvsi_struct *hp, uint8_t *packet, /* CD went away; no more connection */ pr_debug("hvsi%i: CD dropped\n", hp->index); hp->mctrl &= TIOCM_CD; - if (!(hp->tty->flags & CLOCAL)) + /* If userland hasn't done an open(2) yet, hp->tty is NULL. */ + if (hp->tty && !(hp->tty->flags & CLOCAL)) *to_hangup = hp->tty; } break; @@ -986,10 +987,7 @@ static void hvsi_write_worker(void *arg) start_j = 0; #endif /* DEBUG */ wake_up_all(&hp->emptyq); - if (test_bit(TTY_DO_WRITE_WAKEUP, &hp->tty->flags) - && hp->tty->ldisc.write_wakeup) - hp->tty->ldisc.write_wakeup(hp->tty); - wake_up_interruptible(&hp->tty->write_wait); + tty_wakeup(hp->tty); } out: |