From: Allan Stephens <allan.stephens@windriver.com>
Date: Tue, 15 Apr 2008 07:15:15 +0000 (-0700)
Subject: [TIPC]: Ignore message padding when receiving stream data
X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=7a8036c2b93c8301afce8f75ac099c347bad569d;p=linux-beck.git

[TIPC]: Ignore message padding when receiving stream data

This patch ensures that padding bytes appearing at the end of
an incoming TIPC message are not returned as valid stream data.

Signed-off-by: Allan Stephens <allan.stephens@windriver.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---

diff --git a/net/tipc/socket.c b/net/tipc/socket.c
index c1a199c0fa6d..ead22e5eed32 100644
--- a/net/tipc/socket.c
+++ b/net/tipc/socket.c
@@ -1027,7 +1027,7 @@ restart:
 
 	if (!err) {
 		buf_crs = (unsigned char *)(TIPC_SKB_CB(buf)->handle);
-		sz = skb_tail_pointer(buf) - buf_crs;
+		sz = (unsigned char *)msg + msg_size(msg) - buf_crs;
 
 		needed = (buf_len - sz_copied);
 		sz_to_copy = (sz <= needed) ? sz : needed;