summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
authorAl Viro <viro@zeniv.linux.org.uk>2020-03-30 15:43:10 -0400
committerAl Viro <viro@zeniv.linux.org.uk>2020-05-20 20:31:29 -0400
commitd59eb177c84f9572a6b51024c0b2611c3b5a27c5 (patch)
tree85cfcfc6347e30b2b15d6fa693a6ae001ad0b6c9
parent2e04172875c9daf929659eb5c3ef4b98fdf34396 (diff)
ip6_mc_msfilter(): pass the address list separately
that way we'll be able to reuse it for compat case Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
-rw-r--r--include/net/ipv6.h3
-rw-r--r--net/ipv6/ipv6_sockglue.c2
-rw-r--r--net/ipv6/mcast.c7
3 files changed, 7 insertions, 5 deletions
diff --git a/include/net/ipv6.h b/include/net/ipv6.h
index c45eb78d970f..39a00d3ef5e2 100644
--- a/include/net/ipv6.h
+++ b/include/net/ipv6.h
@@ -1136,7 +1136,8 @@ struct group_filter;
int ip6_mc_source(int add, int omode, struct sock *sk,
struct group_source_req *pgsr);
-int ip6_mc_msfilter(struct sock *sk, struct group_filter *gsf);
+int ip6_mc_msfilter(struct sock *sk, struct group_filter *gsf,
+ struct sockaddr_storage *list);
int ip6_mc_msfget(struct sock *sk, struct group_filter *gsf,
struct sockaddr_storage __user *p);
diff --git a/net/ipv6/ipv6_sockglue.c b/net/ipv6/ipv6_sockglue.c
index 0bbafe73bdde..7d3ecc0e69d1 100644
--- a/net/ipv6/ipv6_sockglue.c
+++ b/net/ipv6/ipv6_sockglue.c
@@ -780,7 +780,7 @@ done:
retv = -EINVAL;
break;
}
- retv = ip6_mc_msfilter(sk, gsf);
+ retv = ip6_mc_msfilter(sk, gsf, gsf->gf_slist);
kfree(gsf);
break;
diff --git a/net/ipv6/mcast.c b/net/ipv6/mcast.c
index 97d796c7d6c0..7e12d2114158 100644
--- a/net/ipv6/mcast.c
+++ b/net/ipv6/mcast.c
@@ -457,7 +457,8 @@ done:
return err;
}
-int ip6_mc_msfilter(struct sock *sk, struct group_filter *gsf)
+int ip6_mc_msfilter(struct sock *sk, struct group_filter *gsf,
+ struct sockaddr_storage *list)
{
const struct in6_addr *group;
struct ipv6_mc_socklist *pmc;
@@ -509,10 +510,10 @@ int ip6_mc_msfilter(struct sock *sk, struct group_filter *gsf)
goto done;
}
newpsl->sl_max = newpsl->sl_count = gsf->gf_numsrc;
- for (i = 0; i < newpsl->sl_count; ++i) {
+ for (i = 0; i < newpsl->sl_count; ++i, ++list) {
struct sockaddr_in6 *psin6;
- psin6 = (struct sockaddr_in6 *)&gsf->gf_slist[i];
+ psin6 = (struct sockaddr_in6 *)list;
newpsl->sl_addr[i] = psin6->sin6_addr;
}
err = ip6_mc_add_src(idev, group, gsf->gf_fmode,