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| author | Ingo Molnar <mingo@elte.hu> | 2011-06-16 13:23:15 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2011-06-16 13:23:22 +0200 |
| commit | b4f9f2b64aa189c5584f266f4f0343af7a705441 (patch) | |
| tree | f410718bb93590ff61682b566c10f70d5883bbcd /drivers/input/serio/serport.c | |
| parent | 76369139ceb955deefc509e6e12ce9d6ce50ccab (diff) | |
| parent | 2c53b436a30867eb6b47dd7bab23ba638d1fb0d2 (diff) | |
| download | lwn-b4f9f2b64aa189c5584f266f4f0343af7a705441.tar.gz lwn-b4f9f2b64aa189c5584f266f4f0343af7a705441.zip | |
Merge commit 'v3.0-rc3' into perf/core
Merge reason: add the latest fixes.
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'drivers/input/serio/serport.c')
| -rw-r--r-- | drivers/input/serio/serport.c | 10 |
1 files changed, 2 insertions, 8 deletions
diff --git a/drivers/input/serio/serport.c b/drivers/input/serio/serport.c index f3698967edf6..8755f5f3ad37 100644 --- a/drivers/input/serio/serport.c +++ b/drivers/input/serio/serport.c @@ -120,21 +120,17 @@ static void serport_ldisc_close(struct tty_struct *tty) * 'interrupt' routine. */ -static unsigned int serport_ldisc_receive(struct tty_struct *tty, - const unsigned char *cp, char *fp, int count) +static void serport_ldisc_receive(struct tty_struct *tty, const unsigned char *cp, char *fp, int count) { struct serport *serport = (struct serport*) tty->disc_data; unsigned long flags; unsigned int ch_flags; - int ret = 0; int i; spin_lock_irqsave(&serport->lock, flags); - if (!test_bit(SERPORT_ACTIVE, &serport->flags)) { - ret = -EINVAL; + if (!test_bit(SERPORT_ACTIVE, &serport->flags)) goto out; - } for (i = 0; i < count; i++) { switch (fp[i]) { @@ -156,8 +152,6 @@ static unsigned int serport_ldisc_receive(struct tty_struct *tty, out: spin_unlock_irqrestore(&serport->lock, flags); - - return ret == 0 ? count : ret; } /* |