[PATCH v2 1/2] mISDN: Use time_before()

[Manuel SchÃlling]

To be future-proof and for better readability the time comparisons are modified
to use time_before() instead of plain, error-prone math.

Signed-off-by: Manuel SchÃlling <manuel.schoelling@xxxxxx>
---
 drivers/isdn/mISDN/l1oip_core.c |    4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/isdn/mISDN/l1oip_core.c b/drivers/isdn/mISDN/l1oip_core.c
index 2c0d2c2..084f936 100644
--- a/drivers/isdn/mISDN/l1oip_core.c
+++ b/drivers/isdn/mISDN/l1oip_core.c
@@ -287,7 +287,7 @@ l1oip_socket_send(struct l1oip *hc, u8 localcodec, u8 channel, u32 chanmask,
 	p = frame;
 
 	/* restart timer */
-	if ((int)(hc->keep_tl.expires-jiffies) < 5 * HZ) {
+	if (time_before(hc->keep_tl.expires, jiffies + 5 * HZ)) {
 		del_timer(&hc->keep_tl);
 		hc->keep_tl.expires = jiffies + L1OIP_KEEPALIVE * HZ;
 		add_timer(&hc->keep_tl);
@@ -621,7 +621,7 @@ multiframe:
 		goto multiframe;
 
 	/* restart timer */
-	if ((int)(hc->timeout_tl.expires-jiffies) < 5 * HZ || !hc->timeout_on) {
+	if (time_before(hc->timeout_tl.expires, jiffies + 5 * HZ) || !hc->timeout_on) {
 		hc->timeout_on = 1;
 		del_timer(&hc->timeout_tl);
 		hc->timeout_tl.expires = jiffies + L1OIP_TIMEOUT * HZ;
-- 
1.7.10.4

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