3.13.11-ckt19 -stable review patch. If anyone has any objections, please let me know.
------------------
From: Johan Hovold <johan@xxxxxxxxxx>
commit 2c3fbe3cf28fbd7001545a92a83b4f8acfd9fa36 upstream.
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")
Signed-off-by: Johan Hovold <johan@xxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
Signed-off-by: Kamal Mostafa <kamal@xxxxxxxxxxxxx>
---
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 41ac7938..2ee29ed 100644
--- a/net/irda/ircomm/ircomm_tty.c
+++ b/net/irda/ircomm/ircomm_tty.c
@@ -820,7 +820,9 @@ 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) {
--
1.9.1
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