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Diffstat (limited to 'net/sctp/outqueue.c')
-rw-r--r--net/sctp/outqueue.c13
1 files changed, 11 insertions, 2 deletions
diff --git a/net/sctp/outqueue.c b/net/sctp/outqueue.c
index 5cb1aa5f067b..ff47091c385e 100644
--- a/net/sctp/outqueue.c
+++ b/net/sctp/outqueue.c
@@ -769,7 +769,11 @@ static int sctp_packet_singleton(struct sctp_transport *transport,
sctp_packet_init(&singleton, transport, sport, dport);
sctp_packet_config(&singleton, vtag, 0);
- sctp_packet_append_chunk(&singleton, chunk);
+ if (sctp_packet_append_chunk(&singleton, chunk) != SCTP_XMIT_OK) {
+ list_del_init(&chunk->list);
+ sctp_chunk_free(chunk);
+ return -ENOMEM;
+ }
return sctp_packet_transmit(&singleton, gfp);
}
@@ -929,8 +933,13 @@ static void sctp_outq_flush_ctrl(struct sctp_flush_ctx *ctx)
one_packet = 1;
fallthrough;
- case SCTP_CID_SACK:
case SCTP_CID_HEARTBEAT:
+ if (chunk->pmtu_probe) {
+ sctp_packet_singleton(ctx->transport, chunk, ctx->gfp);
+ break;
+ }
+ fallthrough;
+ case SCTP_CID_SACK:
case SCTP_CID_SHUTDOWN:
case SCTP_CID_ECN_ECNE:
case SCTP_CID_ASCONF: