diff --git a/drivers/hid/hid-hyperv.c b/drivers/hid/hid-hyperv.c
index 866e6a86203cdafbd2a9b63b4bc9f0f2babd3beb..0658cc4578fe1b1165c2a129c1d8c25497906937 100644
--- a/drivers/hid/hid-hyperv.c
+++ b/drivers/hid/hid-hyperv.c
@@ -457,7 +457,7 @@ static void mousevsc_hid_stop(struct hid_device *hid)
 
 static int mousevsc_hid_raw_request(struct hid_device *hid,
 				    unsigned char report_num,
-				    __u8 buf, size_t len,
+				    __u8 *buf, size_t len,
 				    unsigned char rtype,
 				    int reqtype)
 {