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-rw-r--r--drivers/usb/serial/xr_serial.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/usb/serial/xr_serial.c b/drivers/usb/serial/xr_serial.c
index 9fc4082de770..352c765d8803 100644
--- a/drivers/usb/serial/xr_serial.c
+++ b/drivers/usb/serial/xr_serial.c
@@ -16,6 +16,7 @@
#include <linux/module.h>
#include <linux/slab.h>
#include <linux/tty.h>
+#include <linux/uaccess.h>
#include <linux/usb.h>
#include <linux/usb/cdc.h>
#include <linux/usb/serial.h>