[PATCH net-next 4/7] sctp: Push struct net down into sctp_in_scope

[Eric W. Biederman]

struct net will be needed shortly when the tunables are made per network
namespace.

Signed-off-by: "Eric W. Biederman" <ebiederm@xxxxxxxxxxxx>
---
 include/net/sctp/structs.h |    2 +-
 net/sctp/bind_addr.c       |    4 ++--
 net/sctp/protocol.c        |    2 +-
 net/sctp/sm_make_chunk.c   |    3 ++-
 4 files changed, 6 insertions(+), 5 deletions(-)

diff --git a/include/net/sctp/structs.h b/include/net/sctp/structs.h
index 88d2179..b0882f3 100644
--- a/include/net/sctp/structs.h
+++ b/include/net/sctp/structs.h
@@ -1248,7 +1248,7 @@ int sctp_raw_to_bind_addrs(struct sctp_bind_addr *bp, __u8 *raw, int len,
 			   __u16 port, gfp_t gfp);
 
 sctp_scope_t sctp_scope(const union sctp_addr *);
-int sctp_in_scope(const union sctp_addr *addr, const sctp_scope_t scope);
+int sctp_in_scope(struct net *net, const union sctp_addr *addr, const sctp_scope_t scope);
 int sctp_is_any(struct sock *sk, const union sctp_addr *addr);
 int sctp_addr_is_valid(const union sctp_addr *addr);
 int sctp_is_ep_boundall(struct sock *sk);
diff --git a/net/sctp/bind_addr.c b/net/sctp/bind_addr.c
index a85ce4b..23389ba 100644
--- a/net/sctp/bind_addr.c
+++ b/net/sctp/bind_addr.c
@@ -457,7 +457,7 @@ static int sctp_copy_one_addr(struct net *net, struct sctp_bind_addr *dest,
 
 	if (sctp_is_any(NULL, addr)) {
 		error = sctp_copy_local_addr_list(net, dest, scope, gfp, flags);
-	} else if (sctp_in_scope(addr, scope)) {
+	} else if (sctp_in_scope(net, addr, scope)) {
 		/* Now that the address is in scope, check to see if
 		 * the address type is supported by local sock as
 		 * well as the remote peer.
@@ -494,7 +494,7 @@ int sctp_is_any(struct sock *sk, const union sctp_addr *addr)
 }
 
 /* Is 'addr' valid for 'scope'?  */
-int sctp_in_scope(const union sctp_addr *addr, sctp_scope_t scope)
+int sctp_in_scope(struct net *net, const union sctp_addr *addr, sctp_scope_t scope)
 {
 	sctp_scope_t addr_scope = sctp_scope(addr);
 
diff --git a/net/sctp/protocol.c b/net/sctp/protocol.c
index de25d9c..85f87c3 100644
--- a/net/sctp/protocol.c
+++ b/net/sctp/protocol.c
@@ -210,7 +210,7 @@ int sctp_copy_local_addr_list(struct net *net, struct sctp_bind_addr *bp,
 	list_for_each_entry_rcu(addr, &net->sctp.local_addr_list, list) {
 		if (!addr->valid)
 			continue;
-		if (sctp_in_scope(&addr->a, scope)) {
+		if (sctp_in_scope(net, &addr->a, scope)) {
 			/* Now that the address is in scope, check to see if
 			 * the address type is really supported by the local
 			 * sock as well as the remote peer.
diff --git a/net/sctp/sm_make_chunk.c b/net/sctp/sm_make_chunk.c
index 479a70e..fb12835 100644
--- a/net/sctp/sm_make_chunk.c
+++ b/net/sctp/sm_make_chunk.c
@@ -2466,6 +2466,7 @@ static int sctp_process_param(struct sctp_association *asoc,
 			      const union sctp_addr *peer_addr,
 			      gfp_t gfp)
 {
+	struct net *net = sock_net(asoc->base.sk);
 	union sctp_addr addr;
 	int i;
 	__u16 sat;
@@ -2494,7 +2495,7 @@ do_addr_param:
 		af = sctp_get_af_specific(param_type2af(param.p->type));
 		af->from_addr_param(&addr, param.addr, htons(asoc->peer.port), 0);
 		scope = sctp_scope(peer_addr);
-		if (sctp_in_scope(&addr, scope))
+		if (sctp_in_scope(net, &addr, scope))
 			if (!sctp_assoc_add_peer(asoc, &addr, gfp, SCTP_UNCONFIRMED))
 				return 0;
 		break;
-- 
1.7.5.4

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