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authorWei Yongjun <yjwei@cn.fujitsu.com>2007-08-27 11:19:24 +0800
committerVlad Yasevich <vladislav.yasevich@hp.com>2007-08-30 13:52:56 -0400
commitd99fa42963a5ae394cf1df9d5bb739eb378a189b (patch)
treecfbad786d1115135ce7fc61ffef83018feadaa5b /net
parent00f1c2df2a1c4903f4daa1333bafeb6dcbc9591d (diff)
downloadop-kernel-dev-d99fa42963a5ae394cf1df9d5bb739eb378a189b.zip
op-kernel-dev-d99fa42963a5ae394cf1df9d5bb739eb378a189b.tar.gz
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.c5
-rw-r--r--net/sctp/sm_statefuns.c26
2 files changed, 17 insertions, 14 deletions
diff --git a/net/sctp/sm_sideeffect.c b/net/sctp/sm_sideeffect.c
index 1907318..8d78900 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 350d476..276e26d 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;
}
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