[PATCH] 8139too thread termination

[Robert Kuebel]

this patch stops the 8139too kernel thread from dying on any signal.
now, it will only terminate when the driver is closed.

the patch is agains 2.4.13.

thanks.
rob.

--- drivers/net/8139too.orig.c	Mon Oct 29 22:59:15 2001
+++ drivers/net/8139too.c	Mon Oct 29 23:07:32 2001
@@ -80,6 +80,8 @@
 
 		Kalle Olavi Niemitalo - Wake-on-LAN ioctls
 
+		Robert Kuebel - Save kernel thread from dying on any signal.
+
 	Submitting bug reports:
 
 		"rtl8139-diag -mmmaaavvveefN" output
@@ -616,6 +618,7 @@
 	struct completion thr_exited;
 	u32 rx_config;
 	struct rtl_extra_stats xstats;
+	int time_to_die;
 };
 
 MODULE_AUTHOR ("Jeff Garzik <[e-mail]>");
@@ -1669,7 +1672,13 @@
 			timeout = interruptible_sleep_on_timeout (&tp->thr_wait, timeout);
 		} while (!signal_pending (current) && (timeout > 0));
 
-		if (signal_pending (current))
+		if (signal_pending (current)) {
+			spin_lock_irq(&current->sigmask_lock);
+			flush_signals(current);
+			spin_unlock_irq(&current->sigmask_lock);
+		}
+
+		if (tp->time_to_die)
 			break;
 
 		rtnl_lock ();
@@ -2200,6 +2209,8 @@
 	netif_stop_queue (dev);
 
 	if (tp->thr_pid >= 0) {
+		tp->time_to_die = 1;
+		wmb();
 		ret = kill_proc (tp->thr_pid, SIGTERM, 1);
 		if (ret) {
 			printk (KERN_ERR "%s: unable to signal thread\n", dev->name);