This is a note to let you know that I've just added the patch titled
tipc: use only positive error codes in messages
to the 4.9-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
tipc-use-only-positive-error-codes-in-messages.patch
and it can be found in the queue-4.9 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
>From foo@baz Tue Oct 10 16:09:22 CEST 2017
From: Parthasarathy Bhuvaragan <parthasarathy.bhuvaragan@xxxxxxxxxxxx>
Date: Fri, 29 Sep 2017 10:02:54 +0200
Subject: tipc: use only positive error codes in messages
From: Parthasarathy Bhuvaragan <parthasarathy.bhuvaragan@xxxxxxxxxxxx>
[ Upstream commit aad06212d36cf34859428a0a279e5c14ee5c9e26 ]
In commit e3a77561e7d32 ("tipc: split up function tipc_msg_eval()"),
we have updated the function tipc_msg_lookup_dest() to set the error
codes to negative values at destination lookup failures. Thus when
the function sets the error code to -TIPC_ERR_NO_NAME, its inserted
into the 4 bit error field of the message header as 0xf instead of
TIPC_ERR_NO_NAME (1). The value 0xf is an unknown error code.
In this commit, we set only positive error code.
Fixes: e3a77561e7d32 ("tipc: split up function tipc_msg_eval()")
Signed-off-by: Parthasarathy Bhuvaragan <parthasarathy.bhuvaragan@xxxxxxxxxxxx>
Signed-off-by: David S. Miller <davem@xxxxxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
net/tipc/msg.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- a/net/tipc/msg.c
+++ b/net/tipc/msg.c
@@ -547,7 +547,7 @@ bool tipc_msg_lookup_dest(struct net *ne
return false;
if (msg_errcode(msg))
return false;
- *err = -TIPC_ERR_NO_NAME;
+ *err = TIPC_ERR_NO_NAME;
if (skb_linearize(skb))
return false;
msg = buf_msg(skb);
Patches currently in stable-queue which might be from parthasarathy.bhuvaragan@xxxxxxxxxxxx are
queue-4.9/tipc-use-only-positive-error-codes-in-messages.patch