DCSSBLK_PARM_LEN
module_param_string(segments, dcssblk_segments, DCSSBLK_PARM_LEN, 0444);
static char dcssblk_segments[DCSSBLK_PARM_LEN] = "\0";
char buf[DCSSBLK_PARM_LEN + 1];
for (i = 0; (i < DCSSBLK_PARM_LEN) && (dcssblk_segments[i] != '\0');
for (j = i; (j < DCSSBLK_PARM_LEN) &&