Commit 76d12527 authored May 23, 2011 by Allan Stephens Committed by Paul Gortmaker Jun 24, 2011

tipc: Add sanity check to detect rejection of non-payload messages



Introduces an internal sanity check to ensure that the only undeliverable
messages TIPC attempts to return to their origin are application payload
messages.

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

parent acc631bf

net/tipc/port.c

+6 −0

Original line number	Diff line number	Diff line
		@@ -367,6 +367,12 @@ int tipc_reject_msg(struct sk_buff *buf, u32 err)
		imp++;

		/* discard rejected message if it shouldn't be returned to sender */

		if (WARN(!msg_isdata(msg),
		"attempt to reject message with user=%u", msg_user(msg))) {
		dump_stack();
		goto exit;
		}
		if (msg_errcode(msg) \|\| msg_dest_droppable(msg))
		goto exit;