jiffies wrap fixes for net drivers atp, yam, and sb1000.

drivers/net/atp.c

@@ -667,7 +667,7 @@ static void atp_interrupt(int irq, void *dev_instance, struct pt_regs * regs)
 			}
 			num_tx_since_rx++;
 		} else if (num_tx_since_rx > 8
-				   && jiffies > dev->last_rx + HZ) {
+				   && time_after(jiffies, dev->last_rx + HZ)) {
 			if (net_debug > 2)
 				printk(KERN_DEBUG "%s: Missed packet? No Rx after %d Tx and "
 					   "%ld jiffies status %02x  CMR1 %02x.\n", dev->name,

drivers/net/hamradio/yam.c

@@ -308,7 +308,8 @@ static const unsigned char chktabh[256] =
 static void delay(int ms)
 {
 	unsigned long timeout = jiffies + ((ms * HZ) / 1000);
-	while (jiffies < timeout);
+	while (time_before(jiffies, timeout))
+		cpu_relax();
 }
 
 /*

drivers/net/sb1000.c

@@ -405,7 +405,7 @@ sb1000_wait_for_ready(const int ioaddr[], const char* name)
 	}
 	timeout = jiffies + Sb1000TimeOutJiffies;
 	while (!(inb(ioaddr[1] + 6) & 0x40)) {
-		if (jiffies >= timeout) {
+		if (time_after_eq(jiffies, timeout)) {
 			printk(KERN_WARNING "%s: sb1000_wait_for_ready timeout\n",
 				name);
 			return -ETIME;
@@ -423,7 +423,7 @@ sb1000_wait_for_ready_clear(const int ioaddr[], const char* name)
 
 	timeout = jiffies + Sb1000TimeOutJiffies;
 	while (inb(ioaddr[1] + 6) & 0x80) {
-		if (jiffies >= timeout) {
+		if (time_after_eq(jiffies, timeout)) {
 			printk(KERN_WARNING "%s: sb1000_wait_for_ready_clear timeout\n",
 				name);
 			return -ETIME;
@@ -431,7 +431,7 @@ sb1000_wait_for_ready_clear(const int ioaddr[], const char* name)
 	}
 	timeout = jiffies + Sb1000TimeOutJiffies;
 	while (inb(ioaddr[1] + 6) & 0x40) {
-		if (jiffies >= timeout) {
+		if (time_after_eq(jiffies, timeout)) {
 			printk(KERN_WARNING "%s: sb1000_wait_for_ready_clear timeout\n",
 				name);
 			return -ETIME;