Lines Matching defs:buf_len
1023 u64 buf_len = 0;
1109 in_len, out_len, buf_len);
1142 buf_len = (u64) out_len + (u64) in_len;
1143 if (buf_len > ND_IOCTL_MAX_BUFLEN) {
1144 dev_dbg(dev, "%s cmd: %s buf_len: %llu > %d\n", dimm_name,
1145 cmd_name, buf_len, ND_IOCTL_MAX_BUFLEN);
1150 buf = vmalloc(buf_len);
1156 if (copy_from_user(buf, p, buf_len)) {
1167 rc = nd_desc->ndctl(nd_desc, nvdimm, cmd, buf, buf_len, &cmd_rc);
1178 if (copy_to_user(p, buf, buf_len))