This is a note to let you know that I've just added the patch titled
can: fix oops caused by wrong rtnl dellink usage
to the 4.4-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:
can-fix-oops-caused-by-wrong-rtnl-dellink-usage.patch
and it can be found in the queue-4.4 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
>From 25e1ed6e64f52a692ba3191c4fde650aab3ecc07 Mon Sep 17 00:00:00 2001
From: Oliver Hartkopp <socketcan@xxxxxxxxxxxx>
Date: Tue, 21 Jun 2016 15:45:47 +0200
Subject: can: fix oops caused by wrong rtnl dellink usage
From: Oliver Hartkopp <socketcan@xxxxxxxxxxxx>
commit 25e1ed6e64f52a692ba3191c4fde650aab3ecc07 upstream.
For 'real' hardware CAN devices the netlink interface is used to set CAN
specific communication parameters. Real CAN hardware can not be created nor
removed with the ip tool ...
This patch adds a private dellink function for the CAN device driver interface
that does just nothing.
It's a follow up to commit 993e6f2fd ("can: fix oops caused by wrong rtnl
newlink usage") but for dellink.
Reported-by: ajneu <ajneu1@xxxxxxxxx>
Signed-off-by: Oliver Hartkopp <socketcan@xxxxxxxxxxxx>
Signed-off-by: Marc Kleine-Budde <mkl@xxxxxxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
drivers/net/can/dev.c | 6 ++++++
1 file changed, 6 insertions(+)
--- a/drivers/net/can/dev.c
+++ b/drivers/net/can/dev.c
@@ -1011,6 +1011,11 @@ static int can_newlink(struct net *src_n
return -EOPNOTSUPP;
}
+static void can_dellink(struct net_device *dev, struct list_head *head)
+{
+ return;
+}
+
static struct rtnl_link_ops can_link_ops __read_mostly = {
.kind = "can",
.maxtype = IFLA_CAN_MAX,
@@ -1019,6 +1024,7 @@ static struct rtnl_link_ops can_link_ops
.validate = can_validate,
.newlink = can_newlink,
.changelink = can_changelink,
+ .dellink = can_dellink,
.get_size = can_get_size,
.fill_info = can_fill_info,
.get_xstats_size = can_get_xstats_size,
Patches currently in stable-queue which might be from socketcan@xxxxxxxxxxxx are
queue-4.4/can-fix-oops-caused-by-wrong-rtnl-dellink-usage.patch
queue-4.4/can-fix-handling-of-unmodifiable-configuration-options-fix.patch
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