| Message ID | 20091001142844.C50E511186D@xenon.ts.pxnet.com |
|---|---|
| State | Accepted, archived |
| Delegated to: | David Miller |
| Headers | show |
From: Tilman Schmidt <tilman@imap.cc> Date: Thu, 1 Oct 2009 16:28:44 +0200 (CEST) > The receive_buf methods of the N_PPP and N_SYNC_PPP line disciplines, > ppp_asynctty_receive() and ppp_sync_receive(), call tty_unthrottle() > which may sleep. Fix the comments claiming otherwise. > > Impact: documentation > Signed-off-by: Tilman Schmidt <tilman@imap.cc> Applied, thanks. -- To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
diff --git a/drivers/net/ppp_async.c b/drivers/net/ppp_async.c index 6de8399..30b1b33 100644 --- a/drivers/net/ppp_async.c +++ b/drivers/net/ppp_async.c @@ -337,10 +337,7 @@ ppp_asynctty_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_asynctty_receive(struct tty_struct *tty, const unsigned char *buf, char *cflags, int count) diff --git a/drivers/net/ppp_synctty.c b/drivers/net/ppp_synctty.c index d2fa2db..c908b08 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)
The receive_buf methods of the N_PPP and N_SYNC_PPP line disciplines, ppp_asynctty_receive() and ppp_sync_receive(), call tty_unthrottle() which may sleep. Fix the comments claiming otherwise. Impact: documentation Signed-off-by: Tilman Schmidt <tilman@imap.cc> --- drivers/net/ppp_async.c | 5 +---- drivers/net/ppp_synctty.c | 5 +---- 2 files changed, 2 insertions(+), 8 deletions(-)