diff options
Diffstat (limited to 'net/ipv4/igmp.c')
| -rw-r--r-- | net/ipv4/igmp.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/net/ipv4/igmp.c b/net/ipv4/igmp.c index a5f4ecb02e97..c2d477eb6825 100644 --- a/net/ipv4/igmp.c +++ b/net/ipv4/igmp.c @@ -2553,8 +2553,8 @@ int ip_mc_msfget(struct sock *sk, struct ip_msfilter *msf, copycount = count < msf->imsf_numsrc ? count : msf->imsf_numsrc; len = flex_array_size(psl, sl_addr, copycount); msf->imsf_numsrc = count; - if (put_user(struct_size(optval, imsf_slist_flex, copycount), optlen) || - copy_to_user(optval, msf, struct_size(optval, imsf_slist_flex, 0))) { + if (put_user(IP_MSFILTER_SIZE(copycount), optlen) || + copy_to_user(optval, msf, IP_MSFILTER_SIZE(0))) { return -EFAULT; } if (len && |