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authorThomas Gleixner <tglx@linutronix.de>2009-05-20 09:02:28 +0200
committerThomas Gleixner <tglx@linutronix.de>2009-05-20 09:02:28 +0200
commit521c180874dae86f675d23c4eade4dba8b1f2cc8 (patch)
tree7509303da3a9a1b40a26f6811f321c89cd31737b /drivers/char/moxa.c
parentf1a11e0576c7a73d759d05d776692b2b2d37172b (diff)
parent64d1304a64477629cb16b75491a77bafe6f86963 (diff)
Merge branch 'core/urgent' into core/futexes
Merge reason: this branch was on an pre -rc1 base, merge it up to -rc6+ to get the latest upstream fixes. Conflicts: kernel/futex.c Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to 'drivers/char/moxa.c')
-rw-r--r--drivers/char/moxa.c9
1 files changed, 5 insertions, 4 deletions
diff --git a/drivers/char/moxa.c b/drivers/char/moxa.c
index 8b0da97d529..4a4cab73d0b 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;
}