Instead of custom approach this allows to print escaped strings via %*pE extension. With this the unknown ID will be printed as a string. Nonetheless, leave hex values to be printed as well. Signed-off-by: Andy Shevchenko <andriy.shevchenko@xxxxxxxxxxxxxxx> --- drivers/hwmon/sch5636.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/drivers/hwmon/sch5636.c b/drivers/hwmon/sch5636.c index 6e6d54158474..a4b05ebb0546 100644 --- a/drivers/hwmon/sch5636.c +++ b/drivers/hwmon/sch5636.c @@ -416,8 +416,7 @@ static int sch5636_probe(struct platform_device *pdev) id[i] = '\0'; if (strcmp(id, "THS")) { - pr_err("Unknown Fujitsu id: %02x%02x%02x\n", - id[0], id[1], id[2]); + pr_err("Unknown Fujitsu id: %3pE (%3ph)\n", id, id); err = -ENODEV; goto error; } -- 2.43.0.rc1.1336.g36b5255a03ac