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Diffstat (limited to 'kernel/irq/proc.c')
-rw-r--r--kernel/irq/proc.c17
1 files changed, 10 insertions, 7 deletions
diff --git a/kernel/irq/proc.c b/kernel/irq/proc.c
index 8cccdf40725a..9081ada81c3d 100644
--- a/kernel/irq/proc.c
+++ b/kernel/irq/proc.c
@@ -52,10 +52,8 @@ static int show_irq_affinity(int type, struct seq_file *m)
case AFFINITY:
case AFFINITY_LIST:
mask = desc->irq_common_data.affinity;
-#ifdef CONFIG_GENERIC_PENDING_IRQ
- if (irqd_is_setaffinity_pending(&desc->irq_data))
- mask = desc->pending_mask;
-#endif
+ if (irq_move_pending(&desc->irq_data))
+ mask = irq_desc_get_pending_mask(desc);
break;
case EFFECTIVE:
case EFFECTIVE_LIST:
@@ -142,7 +140,7 @@ static ssize_t write_irq_affinity(int type, struct file *file,
int err;
if (!irq_can_set_affinity_usr(irq) || no_irq_affinity)
- return -EIO;
+ return -EPERM;
if (!zalloc_cpumask_var(&new_value, GFP_KERNEL))
return -ENOMEM;
@@ -362,8 +360,13 @@ void register_irq_proc(unsigned int irq, struct irq_desc *desc)
goto out_unlock;
#ifdef CONFIG_SMP
+ umode_t umode = S_IRUGO;
+
+ if (irq_can_set_affinity_usr(desc->irq_data.irq))
+ umode |= S_IWUSR;
+
/* create /proc/irq/<irq>/smp_affinity */
- proc_create_data("smp_affinity", 0644, desc->dir,
+ proc_create_data("smp_affinity", umode, desc->dir,
&irq_affinity_proc_ops, irqp);
/* create /proc/irq/<irq>/affinity_hint */
@@ -371,7 +374,7 @@ void register_irq_proc(unsigned int irq, struct irq_desc *desc)
irq_affinity_hint_proc_show, irqp);
/* create /proc/irq/<irq>/smp_affinity_list */
- proc_create_data("smp_affinity_list", 0644, desc->dir,
+ proc_create_data("smp_affinity_list", umode, desc->dir,
&irq_affinity_list_proc_ops, irqp);
proc_create_single_data("node", 0444, desc->dir, irq_node_proc_show,