commit c29c3f70c9eb6f18090da5af9dbe9dcb4adece8c
author Allan Stephens <Allan.Stephens@windriver.com> Tue Apr 20 17:58:24 2010 -0400
committer Paul Gortmaker <paul.gortmaker@windriver.com> Tue May 10 16:03:56 2011 -0400
tree 28521412e2c927952bd4fea9dbae49db55b12f16
parent 66e019a6af827a254641e83e96ee36b0f4adc5e3

tipc: Abort excessive send requests as early as possible

Adds checks to TIPC's socket send routines to promptly detect and
abort attempts to send more than 66,000 bytes in a single TIPC
message or more than 2**31-1 bytes in a single TIPC byte stream request.
In addition, this ensures that the number of iovecs in a send request
does not exceed the limits of a standard integer variable.

Signed-off-by: Allan Stephens <Allan.Stephens@windriver.com>
Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>

include/linux/tipc.h

diff --git a/include/linux/tipc.h b/include/linux/tipc.h
index a5b994a..f2d9009 100644
--- a/include/linux/tipc.h
+++ b/include/linux/tipc.h
@@ -101,7 +101,7 @@
  * Limiting values for messages
  */
 
-#define TIPC_MAX_USER_MSG_SIZE	66000
+#define TIPC_MAX_USER_MSG_SIZE	66000U
 
 /*
  * Message importance levels