Merge master.kernel.org:/home/davem/BK/net-2.5

into home.transmeta.com:/home/torvalds/v2.5/linux

drivers/net/8139cp.c

@@ -991,6 +991,8 @@ static struct net_device_stats *cp_get_stats(struct net_device *dev)
 
 static void cp_stop_hw (struct cp_private *cp)
 {
+	struct net_device *dev = cp->dev;
+
 	cpw16(IntrMask, 0);
 	cpr16(IntrMask);
 	cpw8(Cmd, 0);
@@ -1002,6 +1004,10 @@ static void cp_stop_hw (struct cp_private *cp)
 
 	cp->rx_tail = 0;
 	cp->tx_head = cp->tx_tail = 0;
+
+	(void) dev; /* avoid compiler warning when synchronize_irq()
+		     * disappears during !CONFIG_SMP
+		     */
 }
 
 static void cp_reset_hw (struct cp_private *cp)

fs/proc/array.c

@@ -228,8 +228,9 @@ static void collect_sigign_sigcatch(struct task_struct *p, sigset_t *ign,
 	sigemptyset(ign);
 	sigemptyset(catch);
 
-	spin_lock_irq(&p->sig->siglock);
+	read_lock(&tasklist_lock);
 	if (p->sig) {
+		spin_lock_irq(&p->sig->siglock);
 		k = p->sig->action;
 		for (i = 1; i <= _NSIG; ++i, ++k) {
 			if (k->sa.sa_handler == SIG_IGN)
@@ -237,8 +238,9 @@ static void collect_sigign_sigcatch(struct task_struct *p, sigset_t *ign,
 			else if (k->sa.sa_handler != SIG_DFL)
 				sigaddset(catch, i);
 		}
+		spin_unlock_irq(&p->sig->siglock);
 	}
-	spin_unlock_irq(&p->sig->siglock);
+	read_unlock(&tasklist_lock);
 }
 
 static inline char * task_sig(struct task_struct *p, char *buffer)