[PATCH] drivers/char/synclink.c: fix polling loop

From: Marcin Slusarz <marcin.slusarz@gmail.com>

Signed-off-by: Marcin Slusarz <marcin.slusarz@gmail.com>
Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>

Index: linux-kj/drivers/char/synclink.c
===================================================================
--- linux-kj.orig/drivers/char/synclink.c	2006-01-18 16:45:22.000000000 +0300
+++ linux-kj/drivers/char/synclink.c	2006-01-18 16:45:41.000000000 +0300
@@ -7105,8 +7105,8 @@ static BOOLEAN mgsl_register_test( struc
  */
 static BOOLEAN mgsl_irq_test( struct mgsl_struct *info )
 {
-	unsigned long EndTime;
 	unsigned long flags;
+	unsigned long end_time;
 
 	spin_lock_irqsave(&info->irq_spinlock,flags);
 	usc_reset(info);
@@ -7133,8 +7133,8 @@ static BOOLEAN mgsl_irq_test( struct mgs
 
 	spin_unlock_irqrestore(&info->irq_spinlock,flags);
 
-	EndTime=100;
-	while( EndTime-- && !info->irq_occurred ) {
+	end_time = jiffies + msecs_to_jiffies(1000);
+	while (time_before(jiffies, end_time) && !info->irq_occurred) {
 		msleep_interruptible(10);
 	}