[media] dvb: frontends: use %*ph to dump small buffers

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Acked-by: Antti Palosaari <crope@iki.fi>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
diff --git a/drivers/media/dvb/frontends/rtl2830.c b/drivers/media/dvb/frontends/rtl2830.c
index 93612eb..8fa8b08 100644
--- a/drivers/media/dvb/frontends/rtl2830.c
+++ b/drivers/media/dvb/frontends/rtl2830.c
@@ -392,7 +392,7 @@
 	if (ret)
 		goto err;
 
-	dbg("%s: TPS=%02x %02x %02x", __func__, buf[0], buf[1], buf[2]);
+	dbg("%s: TPS=%*ph", __func__, 3, buf);
 
 	switch ((buf[0] >> 2) & 3) {
 	case 0: