summaryrefslogtreecommitdiff
path: root/net
diff options
context:
space:
mode:
authorMarcelo Ricardo Leitner <marcelo.leitner@gmail.com>2018-06-20 12:47:52 -0300
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2018-08-24 13:06:46 +0200
commit27fe4e8d5f663054b2b678dbb84e483acd212ebd (patch)
treea455097ce25cae8084196969fbc5915d23b6c51b /net
parentedd8e08850fb74b23bd38b762fa3fe3b0bde6299 (diff)
sctp: fix erroneous inc of snmp SctpFragUsrMsgs
[ Upstream commit fedb1bd3d274b33c432cb83c80c6b3cf54d509c8 ] Currently it is incrementing SctpFragUsrMsgs when the user message size is of the exactly same size as the maximum fragment size, which is wrong. The fix is to increment it only when user message is bigger than the maximum fragment size. Fixes: bfd2e4b8734d ("sctp: refactor sctp_datamsg_from_user") Signed-off-by: Marcelo Ricardo Leitner <marcelo.leitner@gmail.com> Acked-by: Neil Horman <nhorman@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net> Signed-off-by: Sasha Levin <alexander.levin@microsoft.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'net')
-rw-r--r--net/sctp/chunk.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/net/sctp/chunk.c b/net/sctp/chunk.c
index be296d633e95..ded86c449c49 100644
--- a/net/sctp/chunk.c
+++ b/net/sctp/chunk.c
@@ -247,7 +247,9 @@ struct sctp_datamsg *sctp_datamsg_from_user(struct sctp_association *asoc,
/* Account for a different sized first fragment */
if (msg_len >= first_len) {
msg->can_delay = 0;
- SCTP_INC_STATS(sock_net(asoc->base.sk), SCTP_MIB_FRAGUSRMSGS);
+ if (msg_len > first_len)
+ SCTP_INC_STATS(sock_net(asoc->base.sk),
+ SCTP_MIB_FRAGUSRMSGS);
} else {
/* Which may be the only one... */
first_len = msg_len;