[PATCH] hid: thingm: simplify debug output code

[Heiner Kallweit <hkallweit1@gmail.com>]

Kernel printf format %*ph allows to print small buffers up to 64 bytes.
Make use of it to simplify the debug output code.

Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
---
 drivers/hid/hid-thingm.c | 8 ++------
 1 file changed, 2 insertions(+), 6 deletions(-)

diff --git a/drivers/hid/hid-thingm.c b/drivers/hid/hid-thingm.c
index 9ad9c6e..9b4fec4 100644
--- a/drivers/hid/hid-thingm.c
+++ b/drivers/hid/hid-thingm.c
@@ -73,9 +73,7 @@ static int thingm_send(struct thingm_device *tdev, u8 buf[REPORT_SIZE])
 {
 	int ret;
 
-	hid_dbg(tdev->hdev, "-> %d %c %02hhx %02hhx %02hhx %02hhx %02hhx %02hhx %02hhx\n",
-			buf[0], buf[1], buf[2], buf[3], buf[4],
-			buf[5], buf[6], buf[7], buf[8]);
+	hid_dbg(tdev->hdev, "-> %d %c %7ph\n", buf[0], buf[1], &buf[2]);
 
 	mutex_lock(&tdev->lock);
 
@@ -110,9 +108,7 @@ static int thingm_recv(struct thingm_device *tdev, u8 buf[REPORT_SIZE])
 
 	ret = 0;
 
-	hid_dbg(tdev->hdev, "<- %d %c %02hhx %02hhx %02hhx %02hhx %02hhx %02hhx %02hhx\n",
-			buf[0], buf[1], buf[2], buf[3], buf[4],
-			buf[5], buf[6], buf[7], buf[8]);
+	hid_dbg(tdev->hdev, "<- %d %c %7ph\n", buf[0], buf[1], &buf[2]);
 err:
 	mutex_unlock(&tdev->lock);
 	return ret;
-- 
2.9.0