Signed-off-by: Andy Shevchenko <andy.shevchenko@xxxxxxxxx>
Cc: Martin Schwidefsky <schwidefsky@xxxxxxxxxx>
Cc: Heiko Carstens <heiko.carstens@xxxxxxxxxx>
Cc: linux390@xxxxxxxxxx
Cc: linux-s390@xxxxxxxxxxxxxxx
---
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 13cb601..76058a5 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++;
--
1.7.2.2
--
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