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| author | Grant Likely <grant.likely@secretlab.ca> | 2011-06-09 20:42:57 +0200 |
|---|---|---|
| committer | Grant Likely <grant.likely@secretlab.ca> | 2011-06-09 20:42:57 +0200 |
| commit | e4c8308c852e6b3fa49215052a5b9e99597dee99 (patch) | |
| tree | a44ef3377c17d69c2210e809ac2552540ce6f1fc /drivers/input/serio/serport.c | |
| parent | spi/topcliff_pch: DMA support (diff) | |
| parent | spi/ep93xx: add DMA support (diff) | |
| download | linux-e4c8308c852e6b3fa49215052a5b9e99597dee99.tar.xz linux-e4c8308c852e6b3fa49215052a5b9e99597dee99.zip | |
Merge branch 'ep93xx-dma' into spi/next
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; } /* |