The value of "n" is capped at 0x1ffffff but it checked for negative
values. I don't think this causes a problem but I'm not certain and
it's harmless to prevent it.
Fixes: 2e04172875c9 ("ipv4: do compat setsockopt for MCAST_MSFILTER directly")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
{
const int size0 = offsetof(struct compat_group_filter, gf_slist);
struct compat_group_filter *gf32;
+ unsigned int n;
void *p;
- int n;
if (optlen < size0)
return -EINVAL;