Use %*ph format to print small buffer as hex string. Signed-off-by: Andy Shevchenko <andriy.shevchenko@xxxxxxxxxxxxxxx> --- drivers/hwmon/sht21.c | 5 +---- 1 file changed, 1 insertion(+), 4 deletions(-) diff --git a/drivers/hwmon/sht21.c b/drivers/hwmon/sht21.c index ad1b827ea782..97327313529b 100644 --- a/drivers/hwmon/sht21.c +++ b/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; -- 2.43.0.rc1.1336.g36b5255a03ac