diff options
Diffstat (limited to 'drivers/net/ppp_synctty.c')
| -rw-r--r-- | drivers/net/ppp_synctty.c | 9 |
1 files changed, 3 insertions, 6 deletions
diff --git a/drivers/net/ppp_synctty.c b/drivers/net/ppp_synctty.c index d2fa2db13586..3a13cecae3e2 100644 --- a/drivers/net/ppp_synctty.c +++ b/drivers/net/ppp_synctty.c @@ -378,10 +378,7 @@ ppp_sync_poll(struct tty_struct *tty, struct file *file, poll_table *wait) return 0; } -/* - * This can now be called from hard interrupt level as well - * as soft interrupt level or mainline. - */ +/* May sleep, don't call from interrupt level or with interrupts disabled */ static void ppp_sync_receive(struct tty_struct *tty, const unsigned char *buf, char *cflags, int count) @@ -665,8 +662,8 @@ ppp_sync_push(struct syncppp *ap) } /* haven't made any progress */ spin_unlock_bh(&ap->xmit_lock); - if (!(test_bit(XMIT_WAKEUP, &ap->xmit_flags) - || (!tty_stuffed && ap->tpkt))) + if (!(test_bit(XMIT_WAKEUP, &ap->xmit_flags) || + (!tty_stuffed && ap->tpkt))) break; if (!spin_trylock_bh(&ap->xmit_lock)) break; |