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path: root/drivers/net/ppp_synctty.c
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Diffstat (limited to 'drivers/net/ppp_synctty.c')
-rw-r--r--drivers/net/ppp_synctty.c9
1 files changed, 3 insertions, 6 deletions
diff --git a/drivers/net/ppp_synctty.c b/drivers/net/ppp_synctty.c
index d2fa2db..3a13cec 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;
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