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| author | Wei Yongjun <yjwei@cn.fujitsu.com> | 2007-08-27 11:19:24 +0800 |
|---|---|---|
| committer | Vlad Yasevich <vladislav.yasevich@hp.com> | 2007-08-30 13:52:56 -0400 |
| commit | d99fa42963a5ae394cf1df9d5bb739eb378a189b (patch) | |
| tree | cfbad786d1115135ce7fc61ffef83018feadaa5b /net | |
| parent | 00f1c2df2a1c4903f4daa1333bafeb6dcbc9591d (diff) | |
| download | linux-d99fa42963a5ae394cf1df9d5bb739eb378a189b.tar.gz linux-d99fa42963a5ae394cf1df9d5bb739eb378a189b.tar.bz2 linux-d99fa42963a5ae394cf1df9d5bb739eb378a189b.zip | |
SCTP: Use net_ratelimit to suppress error messages print too fast
When multi bundling SHUTDOWN-ACK message is received in ESTAB state,
this will cause "sctp protocol violation state" message print many times.
If SHUTDOWN-ACK is bundled 300 times in one packet, message will be
print 300 times. The same problem also exists when received unexpected
HEARTBEAT-ACK message which is bundled message times.
This patch used net_ratelimit() to suppress error messages print too fast.
Signed-off-by: Wei Yongjun <yjwei@cn.fujitsu.com>
Signed-off-by: Vlad Yasevich <vladislav.yasevich@hp.com>
Diffstat (limited to 'net')
| -rw-r--r-- | net/sctp/sm_sideeffect.c | 5 | ||||
| -rw-r--r-- | net/sctp/sm_statefuns.c | 26 |
2 files changed, 17 insertions, 14 deletions
diff --git a/net/sctp/sm_sideeffect.c b/net/sctp/sm_sideeffect.c index 1907318e70f1..8d7890083493 100644 --- a/net/sctp/sm_sideeffect.c +++ b/net/sctp/sm_sideeffect.c @@ -1013,8 +1013,9 @@ static int sctp_side_effects(sctp_event_t event_type, sctp_subtype_t subtype, break; case SCTP_DISPOSITION_VIOLATION: - printk(KERN_ERR "sctp protocol violation state %d " - "chunkid %d\n", state, subtype.chunk); + if (net_ratelimit()) + printk(KERN_ERR "sctp protocol violation state %d " + "chunkid %d\n", state, subtype.chunk); break; case SCTP_DISPOSITION_NOT_IMPL: diff --git a/net/sctp/sm_statefuns.c b/net/sctp/sm_statefuns.c index 350d47654720..276e26d3d7da 100644 --- a/net/sctp/sm_statefuns.c +++ b/net/sctp/sm_statefuns.c @@ -1032,19 +1032,21 @@ sctp_disposition_t sctp_sf_backbeat_8_3(const struct sctp_endpoint *ep, /* This should never happen, but lets log it if so. */ if (unlikely(!link)) { if (from_addr.sa.sa_family == AF_INET6) { - printk(KERN_WARNING - "%s association %p could not find address " - NIP6_FMT "\n", - __FUNCTION__, - asoc, - NIP6(from_addr.v6.sin6_addr)); + if (net_ratelimit()) + printk(KERN_WARNING + "%s association %p could not find address " + NIP6_FMT "\n", + __FUNCTION__, + asoc, + NIP6(from_addr.v6.sin6_addr)); } else { - printk(KERN_WARNING - "%s association %p could not find address " - NIPQUAD_FMT "\n", - __FUNCTION__, - asoc, - NIPQUAD(from_addr.v4.sin_addr.s_addr)); + if (net_ratelimit()) + printk(KERN_WARNING + "%s association %p could not find address " + NIPQUAD_FMT "\n", + __FUNCTION__, + asoc, + NIPQUAD(from_addr.v4.sin_addr.s_addr)); } return SCTP_DISPOSITION_DISCARD; } |