From 92d326f61b553250780786e9dd8609d4b32f8de7 Mon Sep 17 00:00:00 2001 From: Tilman Schmidt Date: Thu, 1 Oct 2009 04:28:44 +0000 Subject: net/ppp: fix comments - ppp_{sync,asynctty}_receive() may sleep 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 Signed-off-by: David S. Miller --- drivers/net/ppp_async.c | 5 +---- 1 file changed, 1 insertion(+), 4 deletions(-) (limited to 'drivers/net/ppp_async.c') diff --git a/drivers/net/ppp_async.c b/drivers/net/ppp_async.c index 6de8399d6dd9..30b1b3326765 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) -- cgit v1.2.3-59-g8ed1b