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-rw-r--r--kernel/irq/manage.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/kernel/irq/manage.c b/kernel/irq/manage.c
index 5fde8177eedf..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>
@@ -256,8 +257,11 @@ 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;