X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=kernel%2Firq%2Fproc.c;h=ddde0ef9ccdcbb4dbd8834accc5f0264deee8403;hb=9a9136e270af14da506f66bcafcc506b86a86498;hp=2db91eb54ad8bb539b2dccdcb059d6872c2191a4;hpb=b312362be6d9155b66f3a26d9159e0a680fbd6c5;p=linux-2.6

diff --git a/kernel/irq/proc.c b/kernel/irq/proc.c
index 2db91eb54a..ddde0ef9cc 100644
--- a/kernel/irq/proc.c
+++ b/kernel/irq/proc.c
@@ -66,12 +66,19 @@ static int name_unique(unsigned int irq, struct irqaction *new_action)
 {
 	struct irq_desc *desc = irq_desc + irq;
 	struct irqaction *action;
+	unsigned long flags;
+	int ret = 1;
 
-	for (action = desc->action ; action; action = action->next)
+	spin_lock_irqsave(&desc->lock, flags);
+	for (action = desc->action ; action; action = action->next) {
 		if ((action != new_action) && action->name &&
-				!strcmp(new_action->name, action->name))
-			return 0;
-	return 1;
+				!strcmp(new_action->name, action->name)) {
+			ret = 0;
+			break;
+		}
+	}
+	spin_unlock_irqrestore(&desc->lock, flags);
+	return ret;
 }
 
 void register_handler_proc(unsigned int irq, struct irqaction *action)