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path: root/drivers/isdn/i4l/isdn_tty.c
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Diffstat (limited to 'drivers/isdn/i4l/isdn_tty.c')
-rw-r--r--drivers/isdn/i4l/isdn_tty.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/isdn/i4l/isdn_tty.c b/drivers/isdn/i4l/isdn_tty.c
index 63eaa0a9f8a1..1b169559a240 100644
--- a/drivers/isdn/i4l/isdn_tty.c
+++ b/drivers/isdn/i4l/isdn_tty.c
@@ -15,6 +15,7 @@
#include <linux/slab.h>
#include <linux/delay.h>
#include <linux/mutex.h>
+#include <linux/sched/signal.h>
#include "isdn_common.h"
#include "isdn_tty.h"
#ifdef CONFIG_ISDN_AUDIO