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path: root/drivers/char/ttyprintk.c
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Diffstat (limited to 'drivers/char/ttyprintk.c')
-rw-r--r--drivers/char/ttyprintk.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/char/ttyprintk.c b/drivers/char/ttyprintk.c
index a1f68af4ccf..eedd5474850 100644
--- a/drivers/char/ttyprintk.c
+++ b/drivers/char/ttyprintk.c
@@ -17,6 +17,7 @@
#include <linux/device.h>
#include <linux/serial.h>
#include <linux/tty.h>
+#include <linux/export.h>
struct ttyprintk_port {
struct tty_port port;
@@ -170,7 +171,7 @@ static const struct tty_operations ttyprintk_ops = {
.ioctl = tpk_ioctl,
};
-struct tty_port_operations null_ops = { };
+static struct tty_port_operations null_ops = { };
static struct tty_driver *ttyprintk_driver;