[PATCH] sctp: remove redundant chunk length check

From: Nicolas Kaiser
Date: Thu Oct 21 2010 - 06:15:43 EST


Checking the chunk length at this point appears redundant, as
the rest of the packet gets discarded anyway.

Signed-off-by: Nicolas Kaiser <nikai@xxxxxxxxx>
---
net/sctp/sm_statefuns.c | 6 ------
1 files changed, 0 insertions(+), 6 deletions(-)

diff --git a/net/sctp/sm_statefuns.c b/net/sctp/sm_statefuns.c
index 4b4eb7c..9840615 100644
--- a/net/sctp/sm_statefuns.c
+++ b/net/sctp/sm_statefuns.c
@@ -3418,12 +3418,6 @@ static sctp_disposition_t sctp_sf_shut_8_4_5(const struct sctp_endpoint *ep,

SCTP_INC_STATS(SCTP_MIB_OUTCTRLCHUNKS);

- /* If the chunk length is invalid, we don't want to process
- * the reset of the packet.
- */
- if (!sctp_chunk_length_valid(chunk, sizeof(sctp_chunkhdr_t)))
- return sctp_sf_pdiscard(ep, asoc, type, arg, commands);
-
/* We need to discard the rest of the packet to prevent
* potential bomming attacks from additional bundled chunks.
* This is documented in SCTP Threats ID.
--
1.7.2.2
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