diff options
Diffstat (limited to 'drivers/net/can/slcan.c')
| -rw-r--r-- | drivers/net/can/slcan.c | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/drivers/net/can/slcan.c b/drivers/net/can/slcan.c index 2f5c287eac95..086dfb1b9d0b 100644 --- a/drivers/net/can/slcan.c +++ b/drivers/net/can/slcan.c @@ -348,11 +348,8 @@ static void slcan_write_wakeup(struct tty_struct *tty) rcu_read_lock(); sl = rcu_dereference(tty->disc_data); - if (!sl) - goto out; - - schedule_work(&sl->tx_work); -out: + if (sl) + schedule_work(&sl->tx_work); rcu_read_unlock(); } @@ -625,7 +622,10 @@ err_free_chan: tty->disc_data = NULL; clear_bit(SLF_INUSE, &sl->flags); slc_free_netdev(sl->dev); + /* do not call free_netdev before rtnl_unlock */ + rtnl_unlock(); free_netdev(sl->dev); + return err; err_exit: rtnl_unlock(); |