diff options
Diffstat (limited to 'drivers/media/usb/pvrusb2/pvrusb2-ctrl.c')
| -rw-r--r-- | drivers/media/usb/pvrusb2/pvrusb2-ctrl.c | 25 |
1 files changed, 2 insertions, 23 deletions
diff --git a/drivers/media/usb/pvrusb2/pvrusb2-ctrl.c b/drivers/media/usb/pvrusb2/pvrusb2-ctrl.c index 9f71d8c2a3c6..8ae3ad80cccb 100644 --- a/drivers/media/usb/pvrusb2/pvrusb2-ctrl.c +++ b/drivers/media/usb/pvrusb2/pvrusb2-ctrl.c @@ -355,11 +355,8 @@ static int parse_token(const char *ptr,unsigned int len, int *valptr, const char * const *names, unsigned int namecnt) { - char buf[33]; unsigned int slen; unsigned int idx; - int negfl; - char *p2; *valptr = 0; if (!names) namecnt = 0; for (idx = 0; idx < namecnt; idx++) { @@ -370,18 +367,7 @@ static int parse_token(const char *ptr,unsigned int len, *valptr = idx; return 0; } - negfl = 0; - if ((*ptr == '-') || (*ptr == '+')) { - negfl = (*ptr == '-'); - ptr++; len--; - } - if (len >= sizeof(buf)) return -EINVAL; - memcpy(buf,ptr,len); - buf[len] = 0; - *valptr = simple_strtol(buf,&p2,0); - if (negfl) *valptr = -(*valptr); - if (*p2) return -EINVAL; - return 1; + return kstrtoint(ptr, 0, valptr) ? -EINVAL : 1; } @@ -389,10 +375,8 @@ static int parse_mtoken(const char *ptr,unsigned int len, int *valptr, const char **names,int valid_bits) { - char buf[33]; unsigned int slen; unsigned int idx; - char *p2; int msk; *valptr = 0; for (idx = 0, msk = 1; valid_bits; idx++, msk <<= 1) { @@ -405,12 +389,7 @@ static int parse_mtoken(const char *ptr,unsigned int len, *valptr = msk; return 0; } - if (len >= sizeof(buf)) return -EINVAL; - memcpy(buf,ptr,len); - buf[len] = 0; - *valptr = simple_strtol(buf,&p2,0); - if (*p2) return -EINVAL; - return 0; + return kstrtoint(ptr, 0, valptr); } |