diff options
| -rw-r--r-- | drivers/s390/cio/blacklist.c | 10 |
1 files changed, 4 insertions, 6 deletions
diff --git a/drivers/s390/cio/blacklist.c b/drivers/s390/cio/blacklist.c index 13cb60162e42..76058a5166ed 100644 --- a/drivers/s390/cio/blacklist.c +++ b/drivers/s390/cio/blacklist.c @@ -79,17 +79,15 @@ static int pure_hex(char **cp, unsigned int *val, int min_digit, int max_digit, int max_val) { int diff; - unsigned int value; diff = 0; *val = 0; - while (isxdigit(**cp) && (diff <= max_digit)) { + while (diff <= max_digit) { + int value = hex_to_bin(**cp); - if (isdigit(**cp)) - value = **cp - '0'; - else - value = tolower(**cp) - 'a' + 10; + if (value < 0) + break; *val = *val * 16 + value; (*cp)++; diff++; |