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path: root/net/sctp/sm_statefuns.c
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-rw-r--r--net/sctp/sm_statefuns.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/net/sctp/sm_statefuns.c b/net/sctp/sm_statefuns.c
index 7194fe8589b0..75627a75c976 100644
--- a/net/sctp/sm_statefuns.c
+++ b/net/sctp/sm_statefuns.c
@@ -170,6 +170,9 @@ sctp_chunk_length_valid(struct sctp_chunk *chunk,
{
__u16 chunk_length = ntohs(chunk->chunk_hdr->length);
+ /* Previously already marked? */
+ if (unlikely(chunk->pdiscard))
+ return 0;
if (unlikely(chunk_length < required_length))
return 0;