This is a note to let you know that I've just added the patch titled
netpoll: fix netconsole IPv6 setup
to the 3.10-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:
netpoll-fix-netconsole-ipv6-setup.patch
and it can be found in the queue-3.10 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 Thu Feb 27 19:58:01 PST 2014
From: Sabrina Dubroca <sd@xxxxxxxxxxxxxxx>
Date: Thu, 6 Feb 2014 18:34:12 +0100
Subject: netpoll: fix netconsole IPv6 setup
From: Sabrina Dubroca <sd@xxxxxxxxxxxxxxx>
[ Upstream commit 00fe11b3c67dc670fe6391d22f1fe64e7c99a8ec ]
Currently, to make netconsole start over IPv6, the source address
needs to be specified. Without a source address, netpoll_parse_options
assumes we're setting up over IPv4 and the destination IPv6 address is
rejected.
Check if the IP version has been forced by a source address before
checking for a version mismatch when parsing the destination address.
Signed-off-by: Sabrina Dubroca <sd@xxxxxxxxxxxxxxx>
Acked-by: Cong Wang <cwang@xxxxxxxxxxxxxxxx>
Signed-off-by: David S. Miller <davem@xxxxxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
net/core/netpoll.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
--- a/net/core/netpoll.c
+++ b/net/core/netpoll.c
@@ -948,6 +948,7 @@ int netpoll_parse_options(struct netpoll
{
char *cur=opt, *delim;
int ipv6;
+ bool ipversion_set = false;
if (*cur != '@') {
if ((delim = strchr(cur, '@')) == NULL)
@@ -960,6 +961,7 @@ int netpoll_parse_options(struct netpoll
cur++;
if (*cur != '/') {
+ ipversion_set = true;
if ((delim = strchr(cur, '/')) == NULL)
goto parse_failed;
*delim = 0;
@@ -1002,7 +1004,7 @@ int netpoll_parse_options(struct netpoll
ipv6 = netpoll_parse_ip_addr(cur, &np->remote_ip);
if (ipv6 < 0)
goto parse_failed;
- else if (np->ipv6 != (bool)ipv6)
+ else if (ipversion_set && np->ipv6 != (bool)ipv6)
goto parse_failed;
else
np->ipv6 = (bool)ipv6;
Patches currently in stable-queue which might be from sd@xxxxxxxxxxxxxxx are
queue-3.10/netpoll-fix-netconsole-ipv6-setup.patch
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