vt: use msecs_to_jiffies for time conversion

Converting milliseconds to jiffies by "val * HZ / 1000" is technically
OK but msecs_to_jiffies(val) is the cleaner solution and handles all
corner cases correctly. This is a minor API consolidation only and
should make things more readable.

Signed-off-by: Nicholas Mc Guire <hofrat@osadl.org>
Reviewed-by: David Herrmann <dh.herrmann@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
diff --git a/drivers/tty/vt/vt.c b/drivers/tty/vt/vt.c
index 57ed647..edf17b4 100644
--- a/drivers/tty/vt/vt.c
+++ b/drivers/tty/vt/vt.c
@@ -1573,7 +1573,7 @@
 		case 11: /* set bell duration in msec */
 			if (vc->vc_npar >= 1)
 				vc->vc_bell_duration = (vc->vc_par[1] < 2000) ?
-					vc->vc_par[1] * HZ / 1000 : 0;
+					msecs_to_jiffies(vc->vc_par[1]) : 0;
 			else
 				vc->vc_bell_duration = DEFAULT_BELL_DURATION;
 			break;