diff options
| -rw-r--r-- | drivers/staging/dgnc/dgnc_tty.c | 9 |
1 files changed, 2 insertions, 7 deletions
diff --git a/drivers/staging/dgnc/dgnc_tty.c b/drivers/staging/dgnc/dgnc_tty.c index 4eeecc992a02..6758859ce564 100644 --- a/drivers/staging/dgnc/dgnc_tty.c +++ b/drivers/staging/dgnc/dgnc_tty.c @@ -1172,17 +1172,12 @@ static int dgnc_block_til_ready(struct tty_struct *tty, struct channel_t *ch) { int retval = 0; - struct un_t *un = NULL; + struct un_t *un = tty->driver_data; unsigned long flags; uint old_flags = 0; int sleep_on_un_flags = 0; - if (!tty || tty->magic != TTY_MAGIC || !file || !ch || - ch->magic != DGNC_CHANNEL_MAGIC) - return -ENXIO; - - un = tty->driver_data; - if (!un || un->magic != DGNC_UNIT_MAGIC) + if (!file) return -ENXIO; spin_lock_irqsave(&ch->ch_lock, flags); |