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Diffstat (limited to 'net/sctp/sm_make_chunk.c')
-rw-r--r--net/sctp/sm_make_chunk.c91
1 files changed, 45 insertions, 46 deletions
diff --git a/net/sctp/sm_make_chunk.c b/net/sctp/sm_make_chunk.c
index 0b1ddb1..f7fb29d 100644
--- a/net/sctp/sm_make_chunk.c
+++ b/net/sctp/sm_make_chunk.c
@@ -118,7 +118,7 @@ void sctp_init_cause(struct sctp_chunk *chunk, __be16 cause_code,
int padlen;
__u16 len;
- /* Cause code constants are now defined in network order. */
+ /* Cause code constants are now defined in network order. */
err.cause = cause_code;
len = sizeof(sctp_errhdr_t) + paylen;
padlen = len % 4;
@@ -295,11 +295,11 @@ struct sctp_chunk *sctp_make_init_ack(const struct sctp_association *asoc,
*/
chunksize = sizeof(initack) + addrs_len + cookie_len + unkparam_len;
- /* Tell peer that we'll do ECN only if peer advertised such cap. */
+ /* Tell peer that we'll do ECN only if peer advertised such cap. */
if (asoc->peer.ecn_capable)
chunksize += sizeof(ecap_param);
- /* Tell peer that we'll do PR-SCTP only if peer advertised. */
+ /* Tell peer that we'll do PR-SCTP only if peer advertised. */
if (asoc->peer.prsctp_capable)
chunksize += sizeof(prsctp_param);
@@ -728,7 +728,7 @@ struct sctp_chunk *sctp_make_shutdown_complete(
if (retval && chunk)
retval->transport = chunk->transport;
- return retval;
+ return retval;
}
/* Create an ABORT. Note that we set the T bit if we have no
@@ -844,7 +844,7 @@ err_chunk:
return retval;
}
-/* Make an ABORT chunk with a PROTOCOL VIOLATION cause code. */
+/* Make an ABORT chunk with a PROTOCOL VIOLATION cause code. */
struct sctp_chunk *sctp_make_abort_violation(
const struct sctp_association *asoc,
const struct sctp_chunk *chunk,
@@ -979,11 +979,10 @@ struct sctp_chunk *sctp_chunkify(struct sk_buff *skb,
{
struct sctp_chunk *retval;
- retval = kmem_cache_alloc(sctp_chunk_cachep, GFP_ATOMIC);
+ retval = kmem_cache_zalloc(sctp_chunk_cachep, GFP_ATOMIC);
if (!retval)
goto nodata;
- memset(retval, 0, sizeof(struct sctp_chunk));
if (!sk) {
SCTP_DEBUG_PRINTK("chunkifying skb %p w/o an sk\n", skb);
@@ -1265,8 +1264,8 @@ static sctp_cookie_param_t *sctp_pack_cookie(const struct sctp_endpoint *ep,
/* Header size is static data prior to the actual cookie, including
* any padding.
*/
- headersize = sizeof(sctp_paramhdr_t) +
- (sizeof(struct sctp_signed_cookie) -
+ headersize = sizeof(sctp_paramhdr_t) +
+ (sizeof(struct sctp_signed_cookie) -
sizeof(struct sctp_cookie));
bodysize = sizeof(struct sctp_cookie)
+ ntohs(init_chunk->chunk_hdr->length) + addrs_len;
@@ -1315,7 +1314,7 @@ static sctp_cookie_param_t *sctp_pack_cookie(const struct sctp_endpoint *ep,
memcpy((__u8 *)&cookie->c.peer_init[0] +
ntohs(init_chunk->chunk_hdr->length), raw_addrs, addrs_len);
- if (sctp_sk(ep->base.sk)->hmac) {
+ if (sctp_sk(ep->base.sk)->hmac) {
struct hash_desc desc;
/* Sign the message. */
@@ -1324,8 +1323,8 @@ static sctp_cookie_param_t *sctp_pack_cookie(const struct sctp_endpoint *ep,
sg.length = bodysize;
keylen = SCTP_SECRET_SIZE;
key = (char *)ep->secret_key[ep->current_key];
- desc.tfm = sctp_sk(ep->base.sk)->hmac;
- desc.flags = 0;
+ desc.tfm = sctp_sk(ep->base.sk)->hmac;
+ desc.flags = 0;
if (crypto_hash_setkey(desc.tfm, key, keylen) ||
crypto_hash_digest(&desc, &sg, bodysize, cookie->signature))
@@ -1365,7 +1364,7 @@ struct sctp_association *sctp_unpack_cookie(
* any padding.
*/
headersize = sizeof(sctp_chunkhdr_t) +
- (sizeof(struct sctp_signed_cookie) -
+ (sizeof(struct sctp_signed_cookie) -
sizeof(struct sctp_cookie));
bodysize = ntohs(chunk->chunk_hdr->length) - headersize;
fixed_size = headersize + sizeof(struct sctp_cookie);
@@ -1593,7 +1592,7 @@ static int sctp_process_inv_paramlength(const struct sctp_association *asoc,
struct sctp_chunk **errp)
{
char error[] = "The following parameter had invalid length:";
- size_t payload_len = WORD_ROUND(sizeof(error)) +
+ size_t payload_len = WORD_ROUND(sizeof(error)) +
sizeof(sctp_paramhdr_t);
@@ -1752,7 +1751,7 @@ static int sctp_verify_param(const struct sctp_association *asoc,
case SCTP_PARAM_FWD_TSN_SUPPORT:
if (sctp_prsctp_enable)
break;
- /* Fall Through */
+ /* Fall Through */
default:
SCTP_DEBUG_PRINTK("Unrecognized param: %d for chunk %d.\n",
ntohs(param.p->type), cid);
@@ -1861,7 +1860,7 @@ int sctp_process_init(struct sctp_association *asoc, sctp_cid_t cid,
sctp_walk_params(param, peer_init, init_hdr.params) {
if (!sctp_process_param(asoc, param, peer_addr, gfp))
- goto clean_up;
+ goto clean_up;
}
/* Walk list of transports, removing transports in the UNKNOWN state. */
@@ -1937,7 +1936,7 @@ int sctp_process_init(struct sctp_association *asoc, sctp_cid_t cid,
*/
/* Allocate storage for the negotiated streams if it is not a temporary
- * association.
+ * association.
*/
if (!asoc->temp) {
int assoc_id;
@@ -2109,7 +2108,7 @@ static int sctp_process_param(struct sctp_association *asoc,
asoc->peer.prsctp_capable = 1;
break;
}
- /* Fall Through */
+ /* Fall Through */
default:
/* Any unrecognized parameters should have been caught
* and handled by sctp_verify_param() which should be
@@ -2168,7 +2167,7 @@ __u32 sctp_generate_tsn(const struct sctp_endpoint *ep)
* | ASCONF Parameter #N |
* +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
*
- * Address Parameter and other parameter will not be wrapped in this function
+ * Address Parameter and other parameter will not be wrapped in this function
*/
static struct sctp_chunk *sctp_make_asconf(struct sctp_association *asoc,
union sctp_addr *addr,
@@ -2290,7 +2289,7 @@ struct sctp_chunk *sctp_make_asconf_update_ip(struct sctp_association *asoc,
* | Address Parameter |
* +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
*
- * Create an ASCONF chunk with Set Primary IP address parameter.
+ * Create an ASCONF chunk with Set Primary IP address parameter.
*/
struct sctp_chunk *sctp_make_asconf_set_prim(struct sctp_association *asoc,
union sctp_addr *addr)
@@ -2339,7 +2338,7 @@ struct sctp_chunk *sctp_make_asconf_set_prim(struct sctp_association *asoc,
* | ASCONF Parameter Response#N |
* +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
*
- * Create an ASCONF_ACK chunk with enough space for the parameter responses.
+ * Create an ASCONF_ACK chunk with enough space for the parameter responses.
*/
static struct sctp_chunk *sctp_make_asconf_ack(const struct sctp_association *asoc,
__u32 serial, int vparam_len)
@@ -2381,7 +2380,7 @@ static void sctp_add_asconf_response(struct sctp_chunk *chunk, __be32 crr_id,
ntohs(asconf_param->param_hdr.length);
}
- /* Add Success Indication or Error Cause Indication parameter. */
+ /* Add Success Indication or Error Cause Indication parameter. */
ack_param.param_hdr.type = response_type;
ack_param.param_hdr.length = htons(sizeof(ack_param) +
err_param_len +
@@ -2424,11 +2423,11 @@ static __be16 sctp_process_asconf_param(struct sctp_association *asoc,
switch (asconf_param->param_hdr.type) {
case SCTP_PARAM_ADD_IP:
/* ADDIP 4.3 D9) If an endpoint receives an ADD IP address
- * request and does not have the local resources to add this
- * new address to the association, it MUST return an Error
- * Cause TLV set to the new error code 'Operation Refused
- * Due to Resource Shortage'.
- */
+ * request and does not have the local resources to add this
+ * new address to the association, it MUST return an Error
+ * Cause TLV set to the new error code 'Operation Refused
+ * Due to Resource Shortage'.
+ */
peer = sctp_assoc_add_peer(asoc, &addr, GFP_ATOMIC, SCTP_UNCONFIRMED);
if (!peer)
@@ -2440,10 +2439,10 @@ static __be16 sctp_process_asconf_param(struct sctp_association *asoc,
break;
case SCTP_PARAM_DEL_IP:
/* ADDIP 4.3 D7) If a request is received to delete the
- * last remaining IP address of a peer endpoint, the receiver
- * MUST send an Error Cause TLV with the error cause set to the
- * new error code 'Request to Delete Last Remaining IP Address'.
- */
+ * last remaining IP address of a peer endpoint, the receiver
+ * MUST send an Error Cause TLV with the error cause set to the
+ * new error code 'Request to Delete Last Remaining IP Address'.
+ */
pos = asoc->peer.transport_addr_list.next;
if (pos->next == &asoc->peer.transport_addr_list)
return SCTP_ERROR_DEL_LAST_IP;
@@ -2475,7 +2474,7 @@ static __be16 sctp_process_asconf_param(struct sctp_association *asoc,
return SCTP_ERROR_NO_ERROR;
}
-/* Process an incoming ASCONF chunk with the next expected serial no. and
+/* Process an incoming ASCONF chunk with the next expected serial no. and
* return an ASCONF_ACK chunk to be sent in response.
*/
struct sctp_chunk *sctp_process_asconf(struct sctp_association *asoc,
@@ -2495,19 +2494,19 @@ struct sctp_chunk *sctp_process_asconf(struct sctp_association *asoc,
hdr = (sctp_addiphdr_t *)asconf->skb->data;
serial = ntohl(hdr->serial);
- /* Skip the addiphdr and store a pointer to address parameter. */
+ /* Skip the addiphdr and store a pointer to address parameter. */
length = sizeof(sctp_addiphdr_t);
addr_param = (union sctp_addr_param *)(asconf->skb->data + length);
chunk_len -= length;
/* Skip the address parameter and store a pointer to the first
* asconf paramter.
- */
+ */
length = ntohs(addr_param->v4.param_hdr.length);
asconf_param = (sctp_addip_param_t *)((void *)addr_param + length);
chunk_len -= length;
- /* create an ASCONF_ACK chunk.
+ /* create an ASCONF_ACK chunk.
* Based on the definitions of parameters, we know that the size of
* ASCONF_ACK parameters are less than or equal to the twice of ASCONF
* paramters.
@@ -2538,7 +2537,7 @@ struct sctp_chunk *sctp_process_asconf(struct sctp_association *asoc,
/* ADDIP 4.3 D11) When an endpoint receiving an ASCONF to add
* an IP address sends an 'Out of Resource' in its response, it
* MUST also fail any subsequent add or delete requests bundled
- * in the ASCONF.
+ * in the ASCONF.
*/
if (SCTP_ERROR_RSRC_LOW == err_code)
goto done;
@@ -2549,12 +2548,12 @@ struct sctp_chunk *sctp_process_asconf(struct sctp_association *asoc,
length);
chunk_len -= length;
}
-
+
done:
asoc->peer.addip_serial++;
/* If we are sending a new ASCONF_ACK hold a reference to it in assoc
- * after freeing the reference to old asconf ack if any.
+ * after freeing the reference to old asconf ack if any.
*/
if (asconf_ack) {
if (asoc->addip_last_asconf_ack)
@@ -2622,7 +2621,7 @@ static int sctp_asconf_param_success(struct sctp_association *asoc,
/* Get the corresponding ASCONF response error code from the ASCONF_ACK chunk
* for the given asconf parameter. If there is no response for this parameter,
- * return the error code based on the third argument 'no_err'.
+ * return the error code based on the third argument 'no_err'.
* ADDIP 4.1
* A7) If an error response is received for a TLV parameter, all TLVs with no
* response before the failed TLV are considered successful if not reported.
@@ -2646,7 +2645,7 @@ static __be16 sctp_get_asconf_response(struct sctp_chunk *asconf_ack,
/* Skip the addiphdr from the asconf_ack chunk and store a pointer to
* the first asconf_ack parameter.
- */
+ */
length = sizeof(sctp_addiphdr_t);
asconf_ack_param = (sctp_addip_param_t *)(asconf_ack->skb->data +
length);
@@ -2697,14 +2696,14 @@ int sctp_process_asconf_ack(struct sctp_association *asoc,
/* Skip the chunkhdr and addiphdr from the last asconf sent and store
* a pointer to address parameter.
- */
+ */
length = sizeof(sctp_addip_chunk_t);
addr_param = (union sctp_addr_param *)(asconf->skb->data + length);
asconf_len -= length;
/* Skip the address parameter in the last asconf sent and store a
* pointer to the first asconf paramter.
- */
+ */
length = ntohs(addr_param->v4.param_hdr.length);
asconf_param = (sctp_addip_param_t *)((void *)addr_param + length);
asconf_len -= length;
@@ -2741,7 +2740,7 @@ int sctp_process_asconf_ack(struct sctp_association *asoc,
case SCTP_ERROR_INV_PARAM:
/* Disable sending this type of asconf parameter in
* future.
- */
+ */
asoc->peer.addip_disabled_mask |=
asconf_param->param_hdr.type;
break;
@@ -2755,7 +2754,7 @@ int sctp_process_asconf_ack(struct sctp_association *asoc,
/* Skip the processed asconf parameter and move to the next
* one.
- */
+ */
length = ntohs(asconf_param->param_hdr.length);
asconf_param = (sctp_addip_param_t *)((void *)asconf_param +
length);
@@ -2784,14 +2783,14 @@ int sctp_process_asconf_ack(struct sctp_association *asoc,
return retval;
}
-/* Make a FWD TSN chunk. */
+/* Make a FWD TSN chunk. */
struct sctp_chunk *sctp_make_fwdtsn(const struct sctp_association *asoc,
__u32 new_cum_tsn, size_t nstreams,
struct sctp_fwdtsn_skip *skiplist)
{
struct sctp_chunk *retval = NULL;
struct sctp_fwdtsn_chunk *ftsn_chunk;
- struct sctp_fwdtsn_hdr ftsn_hdr;
+ struct sctp_fwdtsn_hdr ftsn_hdr;
struct sctp_fwdtsn_skip skip;
size_t hint;
int i;
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