@@ -122,7 +122,7 @@ extern int ip_mc_msfget(struct sock *sk, struct ip_msfilter *msf,
sockptr_t optval, sockptr_t optlen);
extern int ip_mc_gsfget(struct sock *sk, struct group_filter *gsf,
sockptr_t optval, size_t offset);
-extern int ip_mc_sf_allow(struct sock *sk, __be32 local, __be32 rmt,
+extern int ip_mc_sf_allow(const struct sock *sk, __be32 local, __be32 rmt,
int dif, int sdif);
extern void ip_mc_init_dev(struct in_device *);
extern void ip_mc_destroy_dev(struct in_device *);
@@ -2638,10 +2638,10 @@ int ip_mc_gsfget(struct sock *sk, struct group_filter *gsf,
/*
* check if a multicast source filter allows delivery for a given <src,dst,intf>
*/
-int ip_mc_sf_allow(struct sock *sk, __be32 loc_addr, __be32 rmt_addr,
+int ip_mc_sf_allow(const struct sock *sk, __be32 loc_addr, __be32 rmt_addr,
int dif, int sdif)
{
- struct inet_sock *inet = inet_sk(sk);
+ const struct inet_sock *inet = inet_sk(sk);
struct ip_mc_socklist *pmc;
struct ip_sf_socklist *psl;
int i;
This clarifies ip_mc_sf_allow() intent. Signed-off-by: Eric Dumazet <edumazet@google.com> --- include/linux/igmp.h | 2 +- net/ipv4/igmp.c | 4 ++-- 2 files changed, 3 insertions(+), 3 deletions(-)