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[Cluster-devel] [PATCH 1/8] [DLM] fix iovec length in recvmsg



>From 42fb00838a644d03f9a2a5fbbe0b668a5ff5df4d Mon Sep 17 00:00:00 2001
From: Patrick Caulfield <pcaulfie redhat com>
Date: Fri, 13 Oct 2006 17:12:05 +0100
Subject: [DLM] fix iovec length in recvmsg

I didn't spot that the msg_iovlen was set to 2 if there
were two elements in the iovec but left at zero if not :(

I think this might be why bob was still seeing trouble.

Signed-Off-By: Patrick Caulfield <pcaulfie redhat com>
Signed-off-by: Steven Whitehouse <swhiteho redhat com>
---
 fs/dlm/lowcomms.c |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)

diff --git a/fs/dlm/lowcomms.c b/fs/dlm/lowcomms.c
index 867f93d..6da6b14 100644
--- a/fs/dlm/lowcomms.c
+++ b/fs/dlm/lowcomms.c
@@ -519,6 +519,7 @@ static int receive_from_sock(void)
 	msg.msg_flags = 0;
 	msg.msg_control = incmsg;
 	msg.msg_controllen = sizeof(incmsg);
+	msg.msg_iovlen = 1;
 
 	/* I don't see why this circular buffer stuff is necessary for SCTP
 	 * which is a packet-based protocol, but the whole thing breaks under
-- 
1.4.1




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