X-Git-Url: http://git.rot13.org/?a=blobdiff_plain;f=kernel%2Firq%2Fproc.c;h=61f5c717a8f579cbe5dd3c9b3991b7ef2fb5cead;hb=fb7665544dd60e016494cd5531f5b65ddae22ddc;hp=607c7809ad0125e7aad8d28a308319601a7223ea;hpb=f1c2662cbc6a0a9772655649bdf579803d33470b;p=powerpc.git

diff --git a/kernel/irq/proc.c b/kernel/irq/proc.c
index 607c7809ad..61f5c717a8 100644
--- a/kernel/irq/proc.c
+++ b/kernel/irq/proc.c
@@ -54,10 +54,11 @@ static int irq_affinity_write_proc(struct file *file, const char __user *buffer,
 	unsigned int irq = (int)(long)data, full_count = count, err;
 	cpumask_t new_value, tmp;
 
-	if (!irq_desc[irq].chip->set_affinity || no_irq_affinity)
+	if (!irq_desc[irq].chip->set_affinity || no_irq_affinity ||
+				CHECK_IRQ_PER_CPU(irq_desc[irq].status))
 		return -EIO;
 
-	err = cpumask_parse(buffer, count, new_value);
+	err = cpumask_parse_user(buffer, count, new_value);
 	if (err)
 		return err;