drm/vmwgfx: return -EFAULT for copy_to_user errors

[safe/jmp/linux-2.6] / kernel / irq / proc.c

diff --git a/kernel/irq/proc.c b/kernel/irq/proc.c
index 4f9427a..09a2ee5 100644 (file)
--- a/kernel/irq/proc.c
+++ b/kernel/irq/proc.c
@@ -38,14 +38,12 @@ static int irq_affinity_hint_proc_show(struct seq_file *m, void *v)
        unsigned long flags;
        cpumask_var_t mask;
 
-       if (!alloc_cpumask_var(&mask, GFP_KERNEL))
+       if (!zalloc_cpumask_var(&mask, GFP_KERNEL))
                return -ENOMEM;
 
        raw_spin_lock_irqsave(&desc->lock, flags);
        if (desc->affinity_hint)
                cpumask_copy(mask, desc->affinity_hint);
-       else
-               cpumask_setall(mask);
        raw_spin_unlock_irqrestore(&desc->lock, flags);
 
        seq_cpumask(m, mask);