Any comments would be appreciated.
Description: Use msleep_interruptible() instead of schedule_timeout() to
guarantee the task delays as expected.
Signed-off-by: Nishanth Aravamudan <[email protected]>
Signed-off-by: Maximilian Attems <[email protected]>
Signed-off-by: Domen Puncer <[email protected]>
---
kj-domen/drivers/tc/zs.c | 6 ++----
1 files changed, 2 insertions(+), 4 deletions(-)
diff -puN drivers/tc/zs.c~msleep_interruptible-drivers_tc_zs drivers/tc/zs.c
--- kj/drivers/tc/zs.c~msleep_interruptible-drivers_tc_zs 2005-01-10 18:00:13.000000000 +0100
+++ kj-domen/drivers/tc/zs.c 2005-01-10 18:00:13.000000000 +0100
@@ -1395,8 +1395,7 @@ static void rs_close(struct tty_struct *
info->tty = 0;
if (info->blocked_open) {
if (info->close_delay) {
- current->state = TASK_INTERRUPTIBLE;
- schedule_timeout(info->close_delay);
+ msleep_interruptible(jiffies_to_msecs(info->close_delay));
}
wake_up_interruptible(&info->open_wait);
}
@@ -1429,8 +1428,7 @@ static void rs_wait_until_sent(struct tt
if (timeout)
char_time = min_t(unsigned long, char_time, timeout);
while ((read_zsreg(info->zs_channel, 1) & Tx_BUF_EMP) == 0) {
- current->state = TASK_INTERRUPTIBLE;
- schedule_timeout(char_time);
+ msleep_interruptible(jiffies_to_msecs(char_time));
if (signal_pending(current))
break;
if (timeout && time_after(jiffies, orig_jiffies + timeout))
_