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-rw-r--r--drivers/char/istallion.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/char/istallion.c b/drivers/char/istallion.c
index 0c999f5bb3db..ab2f3349c5c4 100644
--- a/drivers/char/istallion.c
+++ b/drivers/char/istallion.c
@@ -20,6 +20,7 @@
#include <linux/module.h>
#include <linux/slab.h>
+#include <linux/smp_lock.h>
#include <linux/interrupt.h>
#include <linux/tty.h>
#include <linux/tty_flip.h>