diff options
| author | Linus Torvalds <torvalds@linux-foundation.org> | 2011-05-23 12:23:20 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2011-05-23 12:23:20 -0700 |
| commit | 99dff5856220a02b8711f2e8746413ea6e53ccf6 (patch) | |
| tree | d8bae7ccdf8f7ad5221b053bb74a6220df996b3a /drivers/net/can/slcan.c | |
| parent | bb74e8ca352eecefdc5c1a9ebab01f18aa2f6f3c (diff) | |
| parent | d9a0fbfd7bc5d2c42f0fa9bcbdab62c4942d0388 (diff) | |
Merge branch 'tty-next' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty-2.6
* 'tty-next' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty-2.6: (48 commits)
serial: 8250_pci: add support for Cronyx Omega PCI multiserial board.
tty/serial: Fix break handling for PORT_TEGRA
tty/serial: Add explicit PORT_TEGRA type
n_tracerouter and n_tracesink ldisc additions.
Intel PTI implementaiton of MIPI 1149.7.
Kernel documentation for the PTI feature.
export kernel call get_task_comm().
tty: Remove to support serial for S5P6442
pch_phub: Support new device ML7223
8250_pci: Add support for the Digi/IBM PCIe 2-port Adapter
ASoC: Update cx20442 for TTY API change
pch_uart: Support new device ML7223 IOH
parport: Use request_muxed_region for IT87 probe and lock
tty/serial: add support for Xilinx PS UART
n_gsm: Use print_hex_dump_bytes
drivers/tty/moxa.c: Put correct tty value
TTY: tty_io, annotate locking functions
TTY: serial_core, remove superfluous set_task_state
TTY: serial_core, remove invalid test
Char: moxa, fix locking in moxa_write
...
Fix up trivial conflicts in drivers/bluetooth/hci_ldisc.c and
drivers/tty/serial/Makefile.
I did the hci_ldisc thing as an evil merge, cleaning things up.
Diffstat (limited to 'drivers/net/can/slcan.c')
| -rw-r--r-- | drivers/net/can/slcan.c | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/drivers/net/can/slcan.c b/drivers/net/can/slcan.c index 1b49df6b2470..75622d54581f 100644 --- a/drivers/net/can/slcan.c +++ b/drivers/net/can/slcan.c @@ -425,16 +425,17 @@ static void slc_setup(struct net_device *dev) * in parallel */ -static void slcan_receive_buf(struct tty_struct *tty, +static unsigned int 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; + return -ENODEV; /* Read the characters out of the buffer */ - while (count--) { + while (bytes--) { if (fp && *fp++) { if (!test_and_set_bit(SLF_ERROR, &sl->flags)) sl->dev->stats.rx_errors++; @@ -443,6 +444,8 @@ static void slcan_receive_buf(struct tty_struct *tty, } slcan_unesc(sl, *cp++); } + + return count; } /************************************ |