hwmon: (sht21) Use %*ph to print small buffer

Use %*ph format to print small buffer as hex string.

Signed-off-by: Andy Shevchenko <[email protected]>
Message-ID: <[email protected]>
Signed-off-by: Guenter Roeck <[email protected]>

Author: andy-shev

drivers/hwmon/sht21.c

@@ -199,10 +199,7 @@ static ssize_t eic_read(struct sht21 *sht21)
 	eic[6] = rx[0];
 	eic[7] = rx[1];
 
-	ret = snprintf(sht21->eic, sizeof(sht21->eic),
-		       "%02x%02x%02x%02x%02x%02x%02x%02x\n",
-		       eic[0], eic[1], eic[2], eic[3],
-		       eic[4], eic[5], eic[6], eic[7]);
+	ret = snprintf(sht21->eic, sizeof(sht21->eic), "%8phN\n", eic);
 out:
 	if (ret < 0)
 		sht21->eic[0] = 0;