From: Eddie C. Dost <ecd@brainaid.de>
Date: Wed, 6 Jul 2005 22:40:21 +0000 (-0700)
Subject: [SPARC64]: Fix set_intr_affinity()
X-Git-Tag: v2.6.13-rc3~311^2~2
X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=12cf649f417c68b6bdd2a3b4ed97113159c6029e;p=linux-2.6

[SPARC64]: Fix set_intr_affinity()

Do not cat bucket->irq_info to struct irqaction * directly,
but go through struct irq_desc *.

Signed-off-by: David S. Miller <davem@davemloft.net>
---

diff --git a/arch/sparc64/kernel/irq.c b/arch/sparc64/kernel/irq.c
index 74a2e0808c..daa2fb9305 100644
--- a/arch/sparc64/kernel/irq.c
+++ b/arch/sparc64/kernel/irq.c
@@ -917,7 +917,8 @@ static int irq_affinity_read_proc (char *page, char **start, off_t off,
 			int count, int *eof, void *data)
 {
 	struct ino_bucket *bp = ivector_table + (long)data;
-	struct irqaction *ap = bp->irq_info;
+	struct irq_desc *desc = bp->irq_info;
+	struct irqaction *ap = desc->action;
 	cpumask_t mask;
 	int len;
 
@@ -935,11 +936,13 @@ static int irq_affinity_read_proc (char *page, char **start, off_t off,
 static inline void set_intr_affinity(int irq, cpumask_t hw_aff)
 {
 	struct ino_bucket *bp = ivector_table + irq;
+	struct irq_desc *desc = bp->irq_info;
+	struct irqaction *ap = desc->action;
 
 	/* Users specify affinity in terms of hw cpu ids.
 	 * As soon as we do this, handler_irq() might see and take action.
 	 */
-	put_smpaff_in_irqaction((struct irqaction *)bp->irq_info, hw_aff);
+	put_smpaff_in_irqaction(ap, hw_aff);
 
 	/* Migration is simply done by the next cpu to service this
 	 * interrupt.