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Diffstat (limited to 'drivers/char/specialix.c')
-rw-r--r--drivers/char/specialix.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/char/specialix.c b/drivers/char/specialix.c
index e72be4190a44..bfe4cdb2febb 100644
--- a/drivers/char/specialix.c
+++ b/drivers/char/specialix.c
@@ -87,6 +87,7 @@
#include <linux/tty_flip.h>
#include <linux/mm.h>
#include <linux/serial.h>
+#include <linux/smp_lock.h>
#include <linux/fcntl.h>
#include <linux/major.h>
#include <linux/delay.h>