[PATCH 1/1] staging: speakup: main.c - use time_after()

From: Anil Belur
Date: Tue Jul 01 2014 - 03:00:40 EST


From: Anil Belur <askb23@xxxxxxxxx>

- this patch fixes jiffies comparision with a safer function to prevent
any overflows

Signed-off-by: Anil Belur <askb23@xxxxxxxxx>
---
drivers/staging/speakup/main.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/staging/speakup/main.c b/drivers/staging/speakup/main.c
index 7de79d5..0cd3cdb 100644
--- a/drivers/staging/speakup/main.c
+++ b/drivers/staging/speakup/main.c
@@ -2067,7 +2067,7 @@ speakup_key(struct vc_data *vc, int shift_state, int keycode, u_short keysym,
if (up_flag)
goto out;
if (last_keycode == keycode &&
- last_spk_jiffy + MAX_DELAY > jiffies) {
+ time_after(last_spk_jiffy + MAX_DELAY, jiffies)) {
spk_close_press = 1;
offset = spk_shift_table[shift_info + 32];
/* double press? */
--
1.9.1

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