diff options
| -rw-r--r-- | drivers/isdn/gigaset/capi.c | 16 |
1 files changed, 1 insertions, 15 deletions
diff --git a/drivers/isdn/gigaset/capi.c b/drivers/isdn/gigaset/capi.c index 20ebcee9b0c0..6643d6533ccb 100644 --- a/drivers/isdn/gigaset/capi.c +++ b/drivers/isdn/gigaset/capi.c @@ -171,20 +171,6 @@ static inline void ignore_cstruct_param(struct cardstate *cs, _cstruct param, } /* - * check for legal hex digit - */ -static inline int ishexdigit(char c) -{ - if (c >= '0' && c <= '9') - return 1; - if (c >= 'A' && c <= 'F') - return 1; - if (c >= 'a' && c <= 'f') - return 1; - return 0; -} - -/* * convert hex to binary */ static inline u8 hex2bin(char c) @@ -204,7 +190,7 @@ static int encode_ie(char *in, u8 *out, int maxlen) { int l = 0; while (*in) { - if (!ishexdigit(in[0]) || !ishexdigit(in[1]) || l >= maxlen) + if (!isxdigit(in[0]) || !isxdigit(in[1]) || l >= maxlen) return -1; out[++l] = (hex2bin(in[0]) << 4) + hex2bin(in[1]); in += 2; |