diff options
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/kstrtox.c | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/lib/kstrtox.c b/lib/kstrtox.c index 90013f4841c7..720144075c1e 100644 --- a/lib/kstrtox.c +++ b/lib/kstrtox.c @@ -52,12 +52,14 @@ unsigned int _parse_integer(const char *s, unsigned int base, unsigned long long res = 0; rv = 0; while (1) { + unsigned int c = *s; + unsigned int lc = c | 0x20; /* don't tolower() this line */ unsigned int val; - if ('0' <= *s && *s <= '9') - val = *s - '0'; - else if ('a' <= _tolower(*s) && _tolower(*s) <= 'f') - val = _tolower(*s) - 'a' + 10; + if ('0' <= c && c <= '9') + val = c - '0'; + else if ('a' <= lc && lc <= 'f') + val = lc - 'a' + 10; else break; |