sctp: Push struct net down into sctp_verify_ext_param

Add struct net as a parameter to sctp_verify_param so it can be passed
to sctp_verify_ext_param where struct net will be needed when the sctp
tunables become per net tunables.

Add struct net as a parameter to sctp_verify_init so struct net can be
passed to sctp_verify_param.

Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/include/net/sctp/structs.h b/include/net/sctp/structs.h
index b0882f3..18052b4 100644 (file)
--- a/include/net/sctp/structs.h
+++ b/include/net/sctp/structs.h
@@ -1410,9 +1410,9 @@ struct sctp_endpoint *sctp_endpoint_is_match(struct sctp_endpoint *,
 int sctp_has_association(struct net *net, const union sctp_addr *laddr,
                         const union sctp_addr *paddr);
 
-int sctp_verify_init(const struct sctp_association *asoc, sctp_cid_t,
-                    sctp_init_chunk_t *peer_init, struct sctp_chunk *chunk,
-                    struct sctp_chunk **err_chunk);
+int sctp_verify_init(struct net *net, const struct sctp_association *asoc,
+                    sctp_cid_t, sctp_init_chunk_t *peer_init,
+                    struct sctp_chunk *chunk, struct sctp_chunk **err_chunk);
 int sctp_process_init(struct sctp_association *, struct sctp_chunk *chunk,
                      const union sctp_addr *peer,
                      sctp_init_chunk_t *init, gfp_t gfp);

diff --git a/net/sctp/sm_make_chunk.c b/net/sctp/sm_make_chunk.c
index fb12835..a4b096f 100644 (file)
--- a/net/sctp/sm_make_chunk.c
+++ b/net/sctp/sm_make_chunk.c
@@ -1940,7 +1940,7 @@ static int sctp_process_hn_param(const struct sctp_association *asoc,
        return 0;
 }
 
-static int sctp_verify_ext_param(union sctp_params param)
+static int sctp_verify_ext_param(struct net *net, union sctp_params param)
 {
        __u16 num_ext = ntohs(param.p->length) - sizeof(sctp_paramhdr_t);
        int have_auth = 0;
@@ -2081,7 +2081,8 @@ static sctp_ierror_t sctp_process_unk_param(const struct sctp_association *asoc,
  *     SCTP_IERROR_ERROR - stop processing, trigger an ERROR
  *     SCTP_IERROR_NO_ERROR - continue with the chunk
  */
-static sctp_ierror_t sctp_verify_param(const struct sctp_association *asoc,
+static sctp_ierror_t sctp_verify_param(struct net *net,
+                                       const struct sctp_association *asoc,
                                        union sctp_params param,
                                        sctp_cid_t cid,
                                        struct sctp_chunk *chunk,
@@ -2110,7 +2111,7 @@ static sctp_ierror_t sctp_verify_param(const struct sctp_association *asoc,
                break;
 
        case SCTP_PARAM_SUPPORTED_EXT:
-               if (!sctp_verify_ext_param(param))
+               if (!sctp_verify_ext_param(net, param))
                        return SCTP_IERROR_ABORT;
                break;
 
@@ -2198,7 +2199,7 @@ fallthrough:
 }
 
 /* Verify the INIT packet before we process it.  */
-int sctp_verify_init(const struct sctp_association *asoc,
+int sctp_verify_init(struct net *net, const struct sctp_association *asoc,
                     sctp_cid_t cid,
                     sctp_init_chunk_t *peer_init,
                     struct sctp_chunk *chunk,
@@ -2245,7 +2246,7 @@ int sctp_verify_init(const struct sctp_association *asoc,
        /* Verify all the variable length parameters */
        sctp_walk_params(param, peer_init, init_hdr.params) {
 
-               result = sctp_verify_param(asoc, param, cid, chunk, errp);
+               result = sctp_verify_param(net, asoc, param, cid, chunk, errp);
                switch (result) {
                    case SCTP_IERROR_ABORT:
                    case SCTP_IERROR_NOMEM:

diff --git a/net/sctp/sm_statefuns.c b/net/sctp/sm_statefuns.c
index 19f3bff..e17ada4 100644 (file)
--- a/net/sctp/sm_statefuns.c
+++ b/net/sctp/sm_statefuns.c
@@ -364,7 +364,7 @@ sctp_disposition_t sctp_sf_do_5_1B_init(struct net *net,
 
        /* Verify the INIT chunk before processing it. */
        err_chunk = NULL;
-       if (!sctp_verify_init(asoc, chunk->chunk_hdr->type,
+       if (!sctp_verify_init(net, asoc, chunk->chunk_hdr->type,
                              (sctp_init_chunk_t *)chunk->chunk_hdr, chunk,
                              &err_chunk)) {
                /* This chunk contains fatal error. It is to be discarded.
@@ -531,7 +531,7 @@ sctp_disposition_t sctp_sf_do_5_1C_ack(struct net *net,
 
        /* Verify the INIT chunk before processing it. */
        err_chunk = NULL;
-       if (!sctp_verify_init(asoc, chunk->chunk_hdr->type,
+       if (!sctp_verify_init(net, asoc, chunk->chunk_hdr->type,
                              (sctp_init_chunk_t *)chunk->chunk_hdr, chunk,
                              &err_chunk)) {
 
@@ -1429,7 +1429,7 @@ static sctp_disposition_t sctp_sf_do_unexpected_init(
 
        /* Verify the INIT chunk before processing it. */
        err_chunk = NULL;
-       if (!sctp_verify_init(asoc, chunk->chunk_hdr->type,
+       if (!sctp_verify_init(net, asoc, chunk->chunk_hdr->type,
                              (sctp_init_chunk_t *)chunk->chunk_hdr, chunk,
                              &err_chunk)) {
                /* This chunk contains fatal error. It is to be discarded.