lkml.org 
[lkml]   [2015]   [Mar]   [4]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
From
Subject[PATCH 1/5] net: irda: fix wait_until_sent poll timeout
Date
In case an infinite timeout (0) is requested, the irda wait_until_sent
implementation would use a zero poll timeout rather than the default
200ms.

Note that wait_until_sent is currently never called with a 0-timeout
argument due to a bug in tty_wait_until_sent.

Fixes: 1da177e4c3f4 ("Linux-2.6.12-rc2")
Cc: stable <stable@vger.kernel.org> # v2.6.12
Signed-off-by: Johan Hovold <johan@kernel.org>
---
net/irda/ircomm/ircomm_tty.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/net/irda/ircomm/ircomm_tty.c b/net/irda/ircomm/ircomm_tty.c
index 40695b9751c1..4efe486baee6 100644
--- a/net/irda/ircomm/ircomm_tty.c
+++ b/net/irda/ircomm/ircomm_tty.c
@@ -798,7 +798,9 @@ static void ircomm_tty_wait_until_sent(struct tty_struct *tty, int timeout)
orig_jiffies = jiffies;

/* Set poll time to 200 ms */
- poll_time = IRDA_MIN(timeout, msecs_to_jiffies(200));
+ poll_time = msecs_to_jiffies(200);
+ if (timeout)
+ poll_time = min_t(unsigned long, timeout, poll_time);

spin_lock_irqsave(&self->spinlock, flags);
while (self->tx_skb && self->tx_skb->len) {
--
2.0.5


\
 
 \ /
  Last update: 2015-03-04 11:01    [W:0.338 / U:0.072 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site