diff options
| author | Alan Cox <alan@linux.intel.com> | 2010-04-08 01:50:00 +0200 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2010-04-08 01:50:00 +0200 |
| commit | e31d5a05948e4478ba8396063d1e1f39880928e2 (patch) | |
| tree | c164c122d3b6500b40ea9a695009215714d23ae2 /drivers/net/caif | |
| parent | caif: check write operations (diff) | |
| download | linux-e31d5a05948e4478ba8396063d1e1f39880928e2.tar.xz linux-e31d5a05948e4478ba8396063d1e1f39880928e2.zip | |
caif: tty's are kref objects so take a reference
I don't think this can be abused in this case but do things properly.
Signed-off-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/caif')
| -rw-r--r-- | drivers/net/caif/caif_serial.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/net/caif/caif_serial.c b/drivers/net/caif/caif_serial.c index c669ec37483b..38c0186cfbc2 100644 --- a/drivers/net/caif/caif_serial.c +++ b/drivers/net/caif/caif_serial.c @@ -319,7 +319,7 @@ static int ldisc_open(struct tty_struct *tty) sprintf(name, "cf%s", tty->name); dev = alloc_netdev(sizeof(*ser), name, caifdev_setup); ser = netdev_priv(dev); - ser->tty = tty; + ser->tty = tty_kref_get(tty); ser->dev = dev; debugfs_init(ser, tty); tty->receive_room = N_TTY_BUF_SIZE; @@ -352,6 +352,7 @@ static void ldisc_close(struct tty_struct *tty) unregister_netdevice(ser->dev); list_del(&ser->node); debugfs_deinit(ser); + tty_kref_put(ser->tty); if (!islocked) rtnl_unlock(); } |