X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=net%2Fsctp%2Fsm_make_chunk.c;h=3868a8d70cc058332f8918a5bab47b6233530c68;hb=f35279d3f713e5c97b98cbdbf47d98f79942c11f;hp=5baed9bb7de51a64c7cfede056ac0ccdf5ede850;hpb=3f7a87d2fa9b42f7aade43914f060df68cc89cc7;p=linux-2.6 diff --git a/net/sctp/sm_make_chunk.c b/net/sctp/sm_make_chunk.c index 5baed9bb7d..3868a8d70c 100644 --- a/net/sctp/sm_make_chunk.c +++ b/net/sctp/sm_make_chunk.c @@ -78,7 +78,7 @@ static sctp_cookie_param_t *sctp_pack_cookie(const struct sctp_endpoint *ep, static int sctp_process_param(struct sctp_association *asoc, union sctp_params param, const union sctp_addr *peer_addr, - int gfp); + unsigned int __nocast gfp); /* What was the inbound interface for this chunk? */ int sctp_chunk_iif(const struct sctp_chunk *chunk) @@ -174,7 +174,7 @@ void sctp_init_cause(struct sctp_chunk *chunk, __u16 cause_code, */ struct sctp_chunk *sctp_make_init(const struct sctp_association *asoc, const struct sctp_bind_addr *bp, - int gfp, int vparam_len) + unsigned int __nocast gfp, int vparam_len) { sctp_inithdr_t init; union sctp_params addrs; @@ -261,7 +261,7 @@ nodata: struct sctp_chunk *sctp_make_init_ack(const struct sctp_association *asoc, const struct sctp_chunk *chunk, - int gfp, int unkparam_len) + unsigned int __nocast gfp, int unkparam_len) { sctp_inithdr_t initack; struct sctp_chunk *retval; @@ -1003,6 +1003,7 @@ struct sctp_chunk *sctp_chunkify(struct sk_buff *skb, SCTP_DEBUG_PRINTK("chunkifying skb %p w/o an sk\n", skb); } + INIT_LIST_HEAD(&retval->list); retval->skb = skb; retval->asoc = (struct sctp_association *)asoc; retval->resent = 0; @@ -1116,8 +1117,7 @@ static void sctp_chunk_destroy(struct sctp_chunk *chunk) /* Possibly, free the chunk. */ void sctp_chunk_free(struct sctp_chunk *chunk) { - /* Make sure that we are not on any list. */ - skb_unlink((struct sk_buff *) chunk); + BUG_ON(!list_empty(&chunk->list)); list_del_init(&chunk->transmitted_list); /* Release our reference on the message tracker. */ @@ -1233,7 +1233,8 @@ void sctp_chunk_assign_tsn(struct sctp_chunk *chunk) /* Create a CLOSED association to use with an incoming packet. */ struct sctp_association *sctp_make_temp_asoc(const struct sctp_endpoint *ep, - struct sctp_chunk *chunk, int gfp) + struct sctp_chunk *chunk, + unsigned int __nocast gfp) { struct sctp_association *asoc; struct sk_buff *skb; @@ -1348,7 +1349,7 @@ nodata: struct sctp_association *sctp_unpack_cookie( const struct sctp_endpoint *ep, const struct sctp_association *asoc, - struct sctp_chunk *chunk, int gfp, + struct sctp_chunk *chunk, unsigned int __nocast gfp, int *error, struct sctp_chunk **errp) { struct sctp_association *retval = NULL; @@ -1361,6 +1362,7 @@ struct sctp_association *sctp_unpack_cookie( char *key; sctp_scope_t scope; struct sk_buff *skb = chunk->skb; + struct timeval tv; headersize = sizeof(sctp_chunkhdr_t) + SCTP_SECRET_SIZE; bodysize = ntohs(chunk->chunk_hdr->length) - headersize; @@ -1433,7 +1435,8 @@ no_hmac: * an association, there is no need to check cookie's expiration * for init collision case of lost COOKIE ACK. */ - if (!asoc && tv_lt(bear_cookie->expiration, skb->stamp)) { + skb_get_timestamp(skb, &tv); + if (!asoc && tv_lt(bear_cookie->expiration, tv)) { __u16 len; /* * Section 3.3.10.3 Stale Cookie Error (3) @@ -1446,10 +1449,9 @@ no_hmac: len = ntohs(chunk->chunk_hdr->length); *errp = sctp_make_op_error_space(asoc, chunk, len); if (*errp) { - suseconds_t usecs = (skb->stamp.tv_sec - + suseconds_t usecs = (tv.tv_sec - bear_cookie->expiration.tv_sec) * 1000000L + - skb->stamp.tv_usec - - bear_cookie->expiration.tv_usec; + tv.tv_usec - bear_cookie->expiration.tv_usec; usecs = htonl(usecs); sctp_init_cause(*errp, SCTP_ERROR_STALE_COOKIE, @@ -1812,7 +1814,7 @@ int sctp_verify_init(const struct sctp_association *asoc, */ int sctp_process_init(struct sctp_association *asoc, sctp_cid_t cid, const union sctp_addr *peer_addr, - sctp_init_chunk_t *peer_init, int gfp) + sctp_init_chunk_t *peer_init, unsigned int __nocast gfp) { union sctp_params param; struct sctp_transport *transport; @@ -1983,7 +1985,7 @@ nomem: static int sctp_process_param(struct sctp_association *asoc, union sctp_params param, const union sctp_addr *peer_addr, - int gfp) + unsigned int __nocast gfp) { union sctp_addr addr; int i; @@ -2739,8 +2741,12 @@ int sctp_process_asconf_ack(struct sctp_association *asoc, asoc->addip_last_asconf = NULL; /* Send the next asconf chunk from the addip chunk queue. */ - asconf = (struct sctp_chunk *)__skb_dequeue(&asoc->addip_chunks); - if (asconf) { + if (!list_empty(&asoc->addip_chunk_list)) { + struct list_head *entry = asoc->addip_chunk_list.next; + asconf = list_entry(entry, struct sctp_chunk, list); + + list_del_init(entry); + /* Hold the chunk until an ASCONF_ACK is received. */ sctp_chunk_hold(asconf); if (sctp_primitive_ASCONF(asoc, asconf))