1 files changed, 8 insertions, 0 deletions

diff --git a/kernel/irq/manage.c b/kernel/irq/manage.c
index 5202e4c4a5b6..ac6700985705 100644
--- a/kernel/irq/manage.c
+++ b/kernel/irq/manage.c
@@ -6,6 +6,7 @@
  * This file contains driver APIs to the irq subsystem.
  */
 
+#include <linux/config.h>
 #include <linux/irq.h>
 #include <linux/module.h>
 #include <linux/random.h>
@@ -255,6 +256,13 @@ void free_irq(unsigned int irq, void *dev_id)
 
                         /* Found it - now remove it from the list of entries */
                         *pp = action->next;
+
+                        /* Currently used only by UML, might disappear one day.*/
+#ifdef CONFIG_IRQ_RELEASE_METHOD
+                        if (desc->handler->release)
+                                desc->handler->release(irq, dev_id);
+#endif
+
                         if (!desc->action) {
                                 desc->status |= IRQ_DISABLED;
                                 if (desc->handler->shutdown)