[PATCH 33/37] Input: drivers/char/keyboard.c - use time_after

From: Julia Lawall
Date: Mon Apr 21 2008 - 09:32:55 EST


The functions time_before, time_before_eq, time_after, and time_after_eq
are more robust for comparing jiffies against other values.

Signed-off-by: Julia Lawall <julia@xxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
Signed-off-by: Dmitry Torokhov <dtor@xxxxxxx>
---
drivers/char/keyboard.c | 4 +++-
1 files changed, 3 insertions(+), 1 deletions(-)

diff --git a/drivers/char/keyboard.c b/drivers/char/keyboard.c
index 59608e3..45806d2 100644
--- a/drivers/char/keyboard.c
+++ b/drivers/char/keyboard.c
@@ -42,6 +42,7 @@
#include <linux/input.h>
#include <linux/reboot.h>
#include <linux/notifier.h>
+#include <linux/jiffies.h>

extern void ctrl_alt_del(void);

@@ -928,7 +929,8 @@ static void k_brl(struct vc_data *vc, unsigned char value, char up_flag)
if (up_flag) {
if (brl_timeout) {
if (!committing ||
- jiffies - releasestart > (brl_timeout * HZ) / 1000) {
+ time_after(jiffies,
+ releasestart + msecs_to_jiffies(brl_timeout))) {
committing = pressed;
releasestart = jiffies;
}
--
1.5.5.rc2.6.gf58d


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