diff options
| -rw-r--r-- | drivers/char/moxa.c | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/drivers/char/moxa.c b/drivers/char/moxa.c index 8b0da97d5293..4a4cab73d0be 100644 --- a/drivers/char/moxa.c +++ b/drivers/char/moxa.c @@ -1486,11 +1486,11 @@ static int moxa_poll_port(struct moxa_port *p, unsigned int handle, } if (!handle) /* nothing else to do */ - return 0; + goto put; intr = readw(ip); /* port irq status */ if (intr == 0) - return 0; + goto put; writew(0, ip); /* ACK port */ ofsAddr = p->tableAddr; @@ -1499,16 +1499,17 @@ static int moxa_poll_port(struct moxa_port *p, unsigned int handle, ofsAddr + HostStat); if (!inited) - return 0; + goto put; if (tty && (intr & IntrBreak) && !I_IGNBRK(tty)) { /* BREAK */ tty_insert_flip_char(tty, 0, TTY_BREAK); tty_schedule_flip(tty); } - tty_kref_put(tty); if (intr & IntrLine) moxa_new_dcdstate(p, readb(ofsAddr + FlagStat) & DCD_state); +put: + tty_kref_put(tty); return 0; } |