struct sockaddr_storage *group,
struct sockaddr_storage *list)
{
- int msize = IP_MSFILTER_SIZE(numsrc);
struct ip_msfilter *msf;
struct sockaddr_in *psin;
int err, i;
- msf = kmalloc(msize, GFP_KERNEL);
+ msf = kmalloc(IP_MSFILTER_SIZE(numsrc), GFP_KERNEL);
if (!msf)
return -ENOBUFS;
if (psin->sin_family != AF_INET)
goto Eaddrnotavail;
- msf->imsf_slist[i] = psin->sin_addr.s_addr;
+ msf->imsf_slist_flex[i] = psin->sin_addr.s_addr;
}
err = ip_mc_msfilter(sk, msf, ifindex);
kfree(msf);
goto out_free_gsf;
err = set_mcast_msfilter(sk, gsf->gf_interface, gsf->gf_numsrc,
- gsf->gf_fmode, &gsf->gf_group, gsf->gf_slist);
+ gsf->gf_fmode, &gsf->gf_group,
+ gsf->gf_slist_flex);
out_free_gsf:
kfree(gsf);
return err;
static int compat_ip_set_mcast_msfilter(struct sock *sk, sockptr_t optval,
int optlen)
{
- const int size0 = offsetof(struct compat_group_filter, gf_slist);
+ const int size0 = offsetof(struct compat_group_filter, gf_slist_flex);
struct compat_group_filter *gf32;
unsigned int n;
void *p;
p = kmalloc(optlen + 4, GFP_KERNEL);
if (!p)
return -ENOMEM;
- gf32 = p + 4; /* we want ->gf_group and ->gf_slist aligned */
+ gf32 = p + 4; /* we want ->gf_group and ->gf_slist_flex aligned */
err = -EFAULT;
if (copy_from_sockptr(gf32, optval, optlen))
goto out_free_gsf;
err = -EINVAL;
- if (offsetof(struct compat_group_filter, gf_slist[n]) > optlen)
+ if (offsetof(struct compat_group_filter, gf_slist_flex[n]) > optlen)
goto out_free_gsf;
/* numsrc >= (4G-140)/128 overflow in 32 bits */
if (n > sock_net(sk)->ipv4.sysctl_igmp_max_msf)
goto out_free_gsf;
err = set_mcast_msfilter(sk, gf32->gf_interface, n, gf32->gf_fmode,
- &gf32->gf_group, gf32->gf_slist);
+ &gf32->gf_group, gf32->gf_slist_flex);
out_free_gsf:
kfree(p);
return err;
static int ip_get_mcast_msfilter(struct sock *sk, void __user *optval,
int __user *optlen, int len)
{
- const int size0 = offsetof(struct group_filter, gf_slist);
+ const int size0 = offsetof(struct group_filter, gf_slist_flex);
struct group_filter __user *p = optval;
struct group_filter gsf;
int num;
return -EFAULT;
num = gsf.gf_numsrc;
- err = ip_mc_gsfget(sk, &gsf, p->gf_slist);
+ err = ip_mc_gsfget(sk, &gsf, p->gf_slist_flex);
if (err)
return err;
if (gsf.gf_numsrc < num)
static int compat_ip_get_mcast_msfilter(struct sock *sk, void __user *optval,
int __user *optlen, int len)
{
- const int size0 = offsetof(struct compat_group_filter, gf_slist);
+ const int size0 = offsetof(struct compat_group_filter, gf_slist_flex);
struct compat_group_filter __user *p = optval;
struct compat_group_filter gf32;
struct group_filter gf;
num = gf.gf_numsrc = gf32.gf_numsrc;
gf.gf_group = gf32.gf_group;
- err = ip_mc_gsfget(sk, &gf, p->gf_slist);
+ err = ip_mc_gsfget(sk, &gf, p->gf_slist_flex);
if (err)
return err;
if (gf.gf_numsrc < num)