From: Neil Horman <nhorman@tuxdriver.com>
Date: Sat, 6 May 2006 00:02:09 +0000 (-0700)
Subject: [SCTP]: Allow spillover of receive buffer to avoid deadlock.
X-Git-Tag: v2.6.17-rc4~34
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=7c3ceb4fb9667f34f1599a062efecf4cdc4a4ce5;p=pandora-kernel.git

[SCTP]: Allow spillover of receive buffer to avoid deadlock.

This patch fixes a deadlock situation in the receive path by allowing
temporary spillover of the receive buffer.

- If the chunk we receive has a tsn that immediately follows the ctsn,
  accept it even if we run out of receive buffer space and renege data with
  higher TSNs.
- Once we accept one chunk in a packet, accept all the remaining chunks
  even if we run out of receive buffer space.

Signed-off-by: Neil Horman <nhorman@tuxdriver.com>
Acked-by: Mark Butler <butlerm@middle.net>
Acked-by: Vlad Yasevich <vladislav.yasevich@hp.com>
Signed-off-by: Sridhar Samudrala <sri@us.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---

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