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path: root/drivers/char/serial167.c
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Diffstat (limited to 'drivers/char/serial167.c')
-rw-r--r--drivers/char/serial167.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/char/serial167.c b/drivers/char/serial167.c
index f1f24f0ee26f..51e7a46787be 100644
--- a/drivers/char/serial167.c
+++ b/drivers/char/serial167.c
@@ -52,6 +52,7 @@
#include <linux/interrupt.h>
#include <linux/serial.h>
#include <linux/serialP.h>
+#include <linux/smp_lock.h>
#include <linux/string.h>
#include <linux/fcntl.h>
#include <linux/ptrace.h>