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author | Neil Horman <nhorman@tuxdriver.com> | 2006-05-05 17:02:09 -0700 |
---|---|---|
committer | David S. Miller <davem@davemloft.net> | 2006-05-05 17:02:09 -0700 |
commit | 7c3ceb4fb9667f34f1599a062efecf4cdc4a4ce5 (patch) | |
tree | e54921ec9e8cffac5fa3d4155d18f144d61ad878 /net/sctp/inqueue.c | |
parent | 91ef5d2d6e934762db9c3e0d9e5b2862e40ea429 (diff) | |
download | linux-7c3ceb4fb9667f34f1599a062efecf4cdc4a4ce5.tar.gz linux-7c3ceb4fb9667f34f1599a062efecf4cdc4a4ce5.tar.bz2 linux-7c3ceb4fb9667f34f1599a062efecf4cdc4a4ce5.zip |
[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>
Diffstat (limited to 'net/sctp/inqueue.c')
-rw-r--r-- | net/sctp/inqueue.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/net/sctp/inqueue.c b/net/sctp/inqueue.c index 297b8951463e..cf0c767d43ae 100644 --- a/net/sctp/inqueue.c +++ b/net/sctp/inqueue.c @@ -149,6 +149,7 @@ struct sctp_chunk *sctp_inq_pop(struct sctp_inq *queue) /* This is the first chunk in the packet. */ chunk->singleton = 1; ch = (sctp_chunkhdr_t *) chunk->skb->data; + chunk->data_accepted = 0; } chunk->chunk_hdr = ch; |