if (!mrt)
return -ENOENT;
- if (optname != MRT_VERSION &&
- optname != MRT_PIM &&
- optname != MRT_ASSERT)
+ switch (optname) {
+ case MRT_VERSION:
+ val = 0x0305;
+ break;
+ case MRT_PIM:
+ if (!pimsm_enabled())
+ return -ENOPROTOOPT;
+ val = mrt->mroute_do_pim;
+ break;
+ case MRT_ASSERT:
+ val = mrt->mroute_do_assert;
+ break;
+ default:
return -ENOPROTOOPT;
+ }
if (get_user(olr, optlen))
return -EFAULT;
-
olr = min_t(unsigned int, olr, sizeof(int));
if (olr < 0)
return -EINVAL;
-
if (put_user(olr, optlen))
return -EFAULT;
- if (optname == MRT_VERSION) {
- val = 0x0305;
- } else if (optname == MRT_PIM) {
- if (!pimsm_enabled())
- return -ENOPROTOOPT;
- val = mrt->mroute_do_pim;
- } else {
- val = mrt->mroute_do_assert;
- }
if (copy_to_user(optval, &val, olr))
return -EFAULT;
return 0;