diff options
Diffstat (limited to 'drivers/net/can/slcan.c')
| -rw-r--r-- | drivers/net/can/slcan.c | 9 |
1 files changed, 3 insertions, 6 deletions
diff --git a/drivers/net/can/slcan.c b/drivers/net/can/slcan.c index 75622d54581f..1b49df6b2470 100644 --- a/drivers/net/can/slcan.c +++ b/drivers/net/can/slcan.c @@ -425,17 +425,16 @@ static void slc_setup(struct net_device *dev) * in parallel */ -static unsigned int slcan_receive_buf(struct tty_struct *tty, +static void slcan_receive_buf(struct tty_struct *tty, const unsigned char *cp, char *fp, int count) { struct slcan *sl = (struct slcan *) tty->disc_data; - int bytes = count; if (!sl || sl->magic != SLCAN_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++; @@ -444,8 +443,6 @@ static unsigned int slcan_receive_buf(struct tty_struct *tty, } slcan_unesc(sl, *cp++); } - - return count; } /************************************ |