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path: root/drivers/char/hvsi.c
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Diffstat (limited to 'drivers/char/hvsi.c')
-rw-r--r--drivers/char/hvsi.c10
1 files changed, 4 insertions, 6 deletions
diff --git a/drivers/char/hvsi.c b/drivers/char/hvsi.c
index 56612a2dca6..017f755632a 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:
@@ -1299,7 +1297,7 @@ static int __init hvsi_console_init(void)
hp->inbuf_end = hp->inbuf;
hp->state = HVSI_CLOSED;
hp->vtermno = *vtermno;
- hp->virq = irq_create_mapping(NULL, irq[0], 0);
+ hp->virq = irq_create_mapping(NULL, irq[0]);
if (hp->virq == NO_IRQ) {
printk(KERN_ERR "%s: couldn't create irq mapping for 0x%x\n",
__FUNCTION__, irq[0]);