1 files changed, 4 insertions, 5 deletions

diff --git a/include/linux/hid-debug.h b/include/linux/hid-debug.h
index 8663f216c563..2d6100edf204 100644
--- a/include/linux/hid-debug.h
+++ b/include/linux/hid-debug.h
@@ -24,7 +24,10 @@
 
 #ifdef CONFIG_DEBUG_FS
 
+#include <linux/kfifo.h>
+
 #define HID_DEBUG_BUFSIZE 512
+#define HID_DEBUG_FIFOSIZE 512
 
 void hid_dump_input(struct hid_device *, struct hid_usage *, __s32);
 void hid_dump_report(struct hid_device *, int , u8 *, int);
@@ -37,11 +40,8 @@ void hid_debug_init(void);
 void hid_debug_exit(void);
 void hid_debug_event(struct hid_device *, char *);
 
-
 struct hid_debug_list {
-        char *hid_debug_buf;
-        int head;
-        int tail;
+        DECLARE_KFIFO_PTR(hid_debug_fifo, char);
         struct fasync_struct *fasync;
         struct hid_device *hdev;
         struct list_head node;
@@ -64,4 +64,3 @@ struct hid_debug_list {
 #endif
 
 #endif
-