linux-kernel - [PATCH] HID: lg: fix noderef.cocci warnings

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Date:   Mon, 21 Nov 2016 20:05:31 +0800
From:   kbuild test robot <lkp@...el.com>
To:     Benjamin Tissoires <benjamin.tissoires@...hat.com>
Cc:     kbuild-all@...org, Jiri Kosina <jikos@...nel.org>,
        linux-input@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH] HID: lg: fix noderef.cocci warnings

drivers/hid/hid-lg.c:780:47-53: ERROR: application of sizeof to pointer

 sizeof when applied to a pointer typed expression gives the size of
 the pointer

Generated by: scripts/coccinelle/misc/noderef.cocci

CC: Benjamin Tissoires <benjamin.tissoires@...hat.com>
Signed-off-by: Fengguang Wu <fengguang.wu@...el.com>
---

 hid-lg.c |    6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

--- a/drivers/hid/hid-lg.c
+++ b/drivers/hid/hid-lg.c
@@ -777,8 +777,10 @@ static int lg_probe(struct hid_device *h
 			buf[1] = 0xB2;
 			get_random_bytes(&buf[2], 2);
 
-			ret = hid_hw_raw_request(hdev, buf[0], buf, sizeof(buf),
-					HID_FEATURE_REPORT, HID_REQ_SET_REPORT);
+			ret = hid_hw_raw_request(hdev, buf[0], buf,
+						 sizeof(*buf),
+						 HID_FEATURE_REPORT,
+						 HID_REQ_SET_REPORT);
 		}
 		kfree(buf);
 	}