diff --git a/drivers/usb/storage/alauda.c b/drivers/usb/storage/alauda.c
index 6636a583da12..62c2d9daa7d6 100644
--- a/drivers/usb/storage/alauda.c
+++ b/drivers/usb/storage/alauda.c
@@ -415,14 +415,11 @@ static int alauda_init_media(struct us_data *us)
 	if (alauda_get_media_signature(us, data) != USB_STOR_XFER_GOOD)
 		return USB_STOR_TRANSPORT_ERROR;
 
-	usb_stor_dbg(us, "Media signature: %02X %02X %02X %02X\n",
-		     data[0], data[1], data[2], data[3]);
+	usb_stor_dbg(us, "Media signature: %4ph\n", data);
 	media_info = alauda_card_find_id(data[1]);
 	if (media_info == NULL) {
-		printk(KERN_WARNING
-			"alauda_init_media: Unrecognised media signature: "
-			"%02X %02X %02X %02X\n",
-			data[0], data[1], data[2], data[3]);
+		pr_warn("alauda_init_media: Unrecognised media signature: %4ph\n",
+			data);
 		return USB_STOR_TRANSPORT_ERROR;
 	}
 
@@ -513,7 +510,7 @@ static int alauda_check_status2(struct us_data *us)
 	if (rc != USB_STOR_XFER_GOOD)
 		return rc;
 
-	usb_stor_dbg(us, "%02X %02X %02X\n", data[0], data[1], data[2]);
+	usb_stor_dbg(us, "%3ph\n", data);
 	if (data[0] & ALAUDA_STATUS_ERROR)
 		return USB_STOR_XFER_ERROR;
 
diff --git a/drivers/usb/storage/sddr09.c b/drivers/usb/storage/sddr09.c
index 38a4504ce450..3847053d732c 100644
--- a/drivers/usb/storage/sddr09.c
+++ b/drivers/usb/storage/sddr09.c
@@ -1155,8 +1155,7 @@ sddr09_get_cardinfo(struct us_data *us, unsigned char flags) {
 		return NULL;
 	}
 
-	sprintf(blurbtxt, "sddr09: Found Flash card, ID = %02X %02X %02X %02X",
-		deviceID[0], deviceID[1], deviceID[2], deviceID[3]);
+	sprintf(blurbtxt, "sddr09: Found Flash card, ID = %4ph", deviceID);
 
 	/* Byte 0 is the manufacturer */
 	sprintf(blurbtxt + strlen(blurbtxt),