lkml.org 
[lkml]   [2011]   [Feb]   [10]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
DateThu, 10 Feb 2011 23:38:01 -0000
FromThomas Gleixner <>
Subject[patch 56/75] genirq: Reuse existing can set affinty check
Add a !desc check while at it.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
---
kernel/irq/manage.c | 4 ++--
kernel/irq/proc.c | 3 +--
2 files changed, 3 insertions(+), 4 deletions(-)
Index: linux-2.6-tip/kernel/irq/manage.c
===================================================================
--- linux-2.6-tip.orig/kernel/irq/manage.c
+++ linux-2.6-tip/kernel/irq/manage.c
@@ -73,8 +73,8 @@ int irq_can_set_affinity(unsigned int ir
{
struct irq_desc *desc = irq_to_desc(irq);

- if (!irqd_can_balance(&desc->irq_data) || !desc->irq_data.chip ||
- !desc->irq_data.chip->irq_set_affinity)
+ if (!desc || !irqd_can_balance(&desc->irq_data) ||
+ !desc->irq_data.chip || !desc->irq_data.chip->irq_set_affinity)
return 0;

return 1;
Index: linux-2.6-tip/kernel/irq/proc.c
===================================================================
--- linux-2.6-tip.orig/kernel/irq/proc.c
+++ linux-2.6-tip/kernel/irq/proc.c
@@ -66,8 +66,7 @@ static ssize_t irq_affinity_proc_write(s
cpumask_var_t new_value;
int err;

- if (!irq_to_desc(irq)->irq_data.chip->irq_set_affinity || no_irq_affinity ||
- irq_balancing_disabled(irq))
+ if (!irq_can_set_affinity(irq) || no_irq_affinity)
return -EIO;

if (!alloc_cpumask_var(&new_value, GFP_KERNEL))



\
 
 \ /
  Last update: 2011-02-11 00:41    [from the cache]
©2003-2010