[DLM] Fix uninitialised variable in receiving [3/34]

Steven Whitehouse
2007-05-01T10:04:32Z

>From 89adc934f3f96600e7f31447426c7e99d62c5460 Mon Sep 17 00:00:00 2001
From: Patrick Caulfield <pcaulfie@redhat.com>
Date: Tue, 13 Mar 2007 17:08:45 +0000
Subject: [PATCH] [DLM] Fix uninitialised variable in receiving

The length of the second element of the kvec array was not initialised before
being added to the first one. This could cause invalid lengths to be passed to
kernel_recvmsg

Signed-Off-By: Patrick Caulfield <pcaulfie@redhat.com>
Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>

diff --git a/fs/dlm/lowcomms-tcp.c b/fs/dlm/lowcomms-tcp.c
index 07e0a12..9bfe7fb 100644
--- a/fs/dlm/lowcomms-tcp.c
+++ b/fs/dlm/lowcomms-tcp.c
@@ -299,6 +299,7 @@ static int receive_from_sock(struct connection *con)
*/
iov[0].iov_len = con->cb.base - cbuf_data(&con->cb);
iov[0].iov_base = page_address(con->rx_page) + cbuf_data(&con->cb);
+ iov[1].iov_len = 0;
nvec = 1;

/*
--
1.5.1.2