1 files changed, 33 insertions, 21 deletions

diff --git a/net/sctp/sm_sideeffect.c b/net/sctp/sm_sideeffect.c
index e1d6076b4f59..b5495aecab60 100644
--- a/net/sctp/sm_sideeffect.c
+++ b/net/sctp/sm_sideeffect.c
@@ -787,36 +787,48 @@ static void sctp_cmd_process_operr(sctp_cmd_seq_t *cmds,
                                    struct sctp_association *asoc,
                                    struct sctp_chunk *chunk)
 {
-        struct sctp_operr_chunk *operr_chunk;
         struct sctp_errhdr *err_hdr;
+        struct sctp_ulpevent *ev;
 
-        operr_chunk = (struct sctp_operr_chunk *)chunk->chunk_hdr;
-        err_hdr = &operr_chunk->err_hdr;
+        while (chunk->chunk_end > chunk->skb->data) {
+                err_hdr = (struct sctp_errhdr *)(chunk->skb->data);
 
-        switch (err_hdr->cause) {
-        case SCTP_ERROR_UNKNOWN_CHUNK:
-        {
-                struct sctp_chunkhdr *unk_chunk_hdr;
+                ev = sctp_ulpevent_make_remote_error(asoc, chunk, 0,
+                                                     GFP_ATOMIC);
+                if (!ev)
+                        return;
 
-                unk_chunk_hdr = (struct sctp_chunkhdr *)err_hdr->variable;
-                switch (unk_chunk_hdr->type) {
-                /* ADDIP 4.1 A9) If the peer responds to an ASCONF with an
-                 * ERROR chunk reporting that it did not recognized the ASCONF
-                 * chunk type, the sender of the ASCONF MUST NOT send any
-                 * further ASCONF chunks and MUST stop its T-4 timer.
-                 */
-                case SCTP_CID_ASCONF:
-                        asoc->peer.asconf_capable = 0;
-                        sctp_add_cmd_sf(cmds, SCTP_CMD_TIMER_STOP,
+                sctp_ulpq_tail_event(&asoc->ulpq, ev);
+
+                switch (err_hdr->cause) {
+                case SCTP_ERROR_UNKNOWN_CHUNK:
+                {
+                        sctp_chunkhdr_t *unk_chunk_hdr;
+
+                        unk_chunk_hdr = (sctp_chunkhdr_t *)err_hdr->variable;
+                        switch (unk_chunk_hdr->type) {
+                        /* ADDIP 4.1 A9) If the peer responds to an ASCONF with
+                         * an ERROR chunk reporting that it did not recognized
+                         * the ASCONF chunk type, the sender of the ASCONF MUST
+                         * NOT send any further ASCONF chunks and MUST stop its
+                         * T-4 timer.
+                         */
+                        case SCTP_CID_ASCONF:
+                                if (asoc->peer.asconf_capable == 0)
+                                        break;
+
+                                asoc->peer.asconf_capable = 0;
+                                sctp_add_cmd_sf(cmds, SCTP_CMD_TIMER_STOP,
                                         SCTP_TO(SCTP_EVENT_TIMEOUT_T4_RTO));
+                                break;
+                        default:
+                                break;
+                        }
                         break;
+                }
                 default:
                         break;
                 }
-                break;
-        }
-        default:
-                break;
         }
 }