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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>
This commit is contained in:
Eric W. Biederman 2012-08-07 07:29:08 +00:00 committed by David S. Miller
parent 24cb81a6a9
commit f53b5b097e
3 changed files with 12 additions and 11 deletions
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6
include/net/sctp/structs.h
View File

@ -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);

11
net/sctp/sm_make_chunk.c
View File

@ -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:

6
net/sctp/sm_statefuns.c
View File

@ -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.