diff options
Diffstat (limited to 'drivers/net/slip.c')
| -rw-r--r-- | drivers/net/slip.c | 13 |
1 files changed, 5 insertions, 8 deletions
diff --git a/drivers/net/slip.c b/drivers/net/slip.c index 584809c656d5..2f110fb30daa 100644 --- a/drivers/net/slip.c +++ b/drivers/net/slip.c @@ -182,11 +182,11 @@ static int sl_alloc_bufs(struct slip *sl, int mtu) #ifdef SL_INCLUDE_CSLIP cbuff = xchg(&sl->cbuff, cbuff); slcomp = xchg(&sl->slcomp, slcomp); +#endif #ifdef CONFIG_SLIP_MODE_SLIP6 sl->xdata = 0; sl->xbits = 0; #endif -#endif spin_unlock_bh(&sl->lock); err = 0; @@ -670,17 +670,16 @@ static void sl_setup(struct net_device *dev) * in parallel */ -static unsigned int slip_receive_buf(struct tty_struct *tty, - const unsigned char *cp, char *fp, int count) +static void slip_receive_buf(struct tty_struct *tty, const unsigned char *cp, + char *fp, int count) { struct slip *sl = tty->disc_data; - int bytes = count; if (!sl || sl->magic != SLIP_MAGIC || !netif_running(sl->dev)) - return -ENODEV; + return; /* Read the characters out of the buffer */ - while (bytes--) { + while (count--) { if (fp && *fp++) { if (!test_and_set_bit(SLF_ERROR, &sl->flags)) sl->dev->stats.rx_errors++; @@ -694,8 +693,6 @@ static unsigned int slip_receive_buf(struct tty_struct *tty, #endif slip_unesc(sl, *cp++); } - - return count; } /************************************ |