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-rw-r--r--include/linux/irq.h14
-rw-r--r--kernel/irq/numa_migrate.c1
2 files changed, 15 insertions, 0 deletions
diff --git a/include/linux/irq.h b/include/linux/irq.h
index 974890b3c52..99d147efe39 100644
--- a/include/linux/irq.h
+++ b/include/linux/irq.h
@@ -482,6 +482,16 @@ static inline void init_copy_desc_masks(struct irq_desc *old_desc,
#endif
}
+static inline void free_desc_masks(struct irq_desc *old_desc,
+ struct irq_desc *new_desc)
+{
+ free_cpumask_var(old_desc->affinity);
+
+#ifdef CONFIG_GENERIC_PENDING_IRQ
+ free_cpumask_var(old_desc->pending_mask);
+#endif
+}
+
#else /* !CONFIG_SMP */
static inline bool init_alloc_desc_masks(struct irq_desc *desc, int cpu,
@@ -495,6 +505,10 @@ static inline void init_copy_desc_masks(struct irq_desc *old_desc,
{
}
+static inline void free_desc_masks(struct irq_desc *old_desc,
+ struct irq_desc *new_desc)
+{
+}
#endif /* CONFIG_SMP */
#endif /* _LINUX_IRQ_H */
diff --git a/kernel/irq/numa_migrate.c b/kernel/irq/numa_migrate.c
index 243d6121e50..44bbdcbaf8d 100644
--- a/kernel/irq/numa_migrate.c
+++ b/kernel/irq/numa_migrate.c
@@ -54,6 +54,7 @@ static bool init_copy_one_irq_desc(int irq, struct irq_desc *old_desc,
static void free_one_irq_desc(struct irq_desc *old_desc, struct irq_desc *desc)
{
free_kstat_irqs(old_desc, desc);
+ free_desc_masks(old_desc, desc);
arch_free_chip_data(old_desc, desc);
}