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staging: dgnc: convert to wait_event_interruptible_timeout

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This patch makes use of wait_event_interruptible_timeout to achieve
timeout functionality.This is a TODO mentiond in the comment which is also
removed.It also aligns with what the function is supposed to do as in the
comments.

Signed-off-by: Hari Prasath Gujulan Elango <hgujulan@visteon.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Hari Prasath Gujulan Elango 2016-02-08 06:39:21 +00:00 committed by Greg Kroah-Hartman
parent 210ba93a18
commit 127bf16602
1 changed files with 3 additions and 3 deletions
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6
drivers/staging/dgnc/dgnc_neo.c
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@ -1306,10 +1306,10 @@ static int neo_drain(struct tty_struct *tty, uint seconds)
/*
* Go to sleep waiting for the tty layer to wake me back up when
* the empty flag goes away.
*
* NOTE: TODO: Do something with time passed in.
*/
rc = wait_event_interruptible(un->un_flags_wait, ((un->un_flags & UN_EMPTY) == 0));
rc = wait_event_interruptible_timeout(un->un_flags_wait,
((un->un_flags & UN_EMPTY) == 0),
msecs_to_jiffies(seconds * 1000));
/* If ret is non-zero, user ctrl-c'ed us */
return rc;