[media] gspca: use %*ph to print small buffers

Signed-off-by: NAndy Shevchenko <andriy.shevchenko@linux.intel.com>
Cc: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: NMauro Carvalho Chehab <mchehab@redhat.com>

drivers/media/video/gspca/sq905c.c

@@ -228,11 +228,8 @@ static int sd_config(struct gspca_dev *gspca_dev,
 	}
 	/* Note we leave out the usb id and the manufacturing date */
 	PDEBUG(D_PROBE,
-	       "SQ9050 ID string: %02x - %02x %02x %02x %02x %02x %02x",
-		gspca_dev->usb_buf[3],
-		gspca_dev->usb_buf[14], gspca_dev->usb_buf[15],
-		gspca_dev->usb_buf[16], gspca_dev->usb_buf[17],
-		gspca_dev->usb_buf[18], gspca_dev->usb_buf[19]);
+	       "SQ9050 ID string: %02x - %*ph",
+		gspca_dev->usb_buf[3], 6, gspca_dev->usb_buf + 14);
 
 	cam->cam_mode = sq905c_mode;
 	cam->nmodes = 2;

drivers/media/video/gspca/sq930x.c

@@ -863,15 +863,7 @@ static int sd_init(struct gspca_dev *gspca_dev)
  * 6: c8 / c9 / ca / cf = mode webcam?, sensor? webcam?
  * 7: 00
  */
-	PDEBUG(D_PROBE, "info: %02x %02x %02x %02x %02x %02x %02x %02x",
-			gspca_dev->usb_buf[0],
-			gspca_dev->usb_buf[1],
-			gspca_dev->usb_buf[2],
-			gspca_dev->usb_buf[3],
-			gspca_dev->usb_buf[4],
-			gspca_dev->usb_buf[5],
-			gspca_dev->usb_buf[6],
-			gspca_dev->usb_buf[7]);
+	PDEBUG(D_PROBE, "info: %*ph", 8, gspca_dev->usb_buf);
 
 	bridge_init(sd);
 

drivers/media/video/gspca/vc032x.c

@@ -2934,11 +2934,8 @@ static void reg_r(struct gspca_dev *gspca_dev,
 		PDEBUG(D_USBI, "GET %02x 0001 %04x %02x", req, index,
 				gspca_dev->usb_buf[0]);
 	else
-		PDEBUG(D_USBI, "GET %02x 0001 %04x %02x %02x %02x",
-				req, index,
-				gspca_dev->usb_buf[0],
-				gspca_dev->usb_buf[1],
-				gspca_dev->usb_buf[2]);
+		PDEBUG(D_USBI, "GET %02x 0001 %04x %*ph",
+				req, index, 3, gspca_dev->usb_buf);
 #endif
 }