From: Patrick Caulfield <pcaulfie@redhat.com>
Date: Tue, 13 Mar 2007 17:08:45 +0000 (+0000)
Subject: [DLM] Fix uninitialised variable in receiving
X-Git-Tag: v2.6.22-rc1~820^2~31
X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=89adc934f3f96600e7f31447426c7e99d62c5460;p=linux-2.6

[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 07e0a122c3..9bfe7fb721 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;
 
 	/*