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

[crope@iki.fi: fix trivial merge conflict]
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Antti Palosaari <crope@iki.fi>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
diff --git a/drivers/media/dvb/dvb-usb/pctv452e.c b/drivers/media/dvb/dvb-usb/pctv452e.c
index f526eb0..02e8785 100644
--- a/drivers/media/dvb/dvb-usb/pctv452e.c
+++ b/drivers/media/dvb/dvb-usb/pctv452e.c
@@ -136,8 +136,8 @@
 	return 0;
 
 failed:
-	err("CI error %d; %02X %02X %02X -> %02X %02X %02X.",
-	     ret, SYNC_BYTE_OUT, id, cmd, buf[0], buf[1], buf[2]);
+	err("CI error %d; %02X %02X %02X -> %*ph.",
+	     ret, SYNC_BYTE_OUT, id, cmd, 3, buf);
 
 	return ret;
 }
@@ -556,8 +556,7 @@
 		return ret;
 
 	if (debug > 3) {
-		info("%s: read: %2d: %02x %02x %02x: ", __func__,
-				ret, rx[0], rx[1], rx[2]);
+		info("%s: read: %2d: %*ph: ", __func__, ret, 3, rx);
 		for (i = 0; (i < rx[3]) && ((i+3) < PCTV_ANSWER_LEN); i++)
 			info(" %02x", rx[i+3]);