aboutsummaryrefslogtreecommitdiff
path: root/kernel/irq/numa_migrate.c
diff options
context:
space:
mode:
Diffstat (limited to 'kernel/irq/numa_migrate.c')
-rw-r--r--kernel/irq/numa_migrate.c11
1 files changed, 3 insertions, 8 deletions
diff --git a/kernel/irq/numa_migrate.c b/kernel/irq/numa_migrate.c
index 7f9b80434e3..243d6121e50 100644
--- a/kernel/irq/numa_migrate.c
+++ b/kernel/irq/numa_migrate.c
@@ -17,16 +17,11 @@ static void init_copy_kstat_irqs(struct irq_desc *old_desc,
struct irq_desc *desc,
int cpu, int nr)
{
- unsigned long bytes;
-
init_kstat_irqs(desc, cpu, nr);
- if (desc->kstat_irqs != old_desc->kstat_irqs) {
- /* Compute how many bytes we need per irq and allocate them */
- bytes = nr * sizeof(unsigned int);
-
- memcpy(desc->kstat_irqs, old_desc->kstat_irqs, bytes);
- }
+ if (desc->kstat_irqs != old_desc->kstat_irqs)
+ memcpy(desc->kstat_irqs, old_desc->kstat_irqs,
+ nr * sizeof(*desc->kstat_irqs));
}
static void free_kstat_irqs(struct irq_desc *old_desc, struct irq_desc *desc)