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| author | Jamal Hadi Salim <hadi@cyberus.ca> | 2010-02-19 02:00:42 +0000 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2010-02-19 13:11:50 -0800 |
| commit | 2f1eb65f366b81aa3c22c31e6e8db26168777ec5 (patch) | |
| tree | 3c838f5801d0842c586519ddd4d991e22ac3ecd0 /net/xfrm/xfrm_user.c | |
| parent | 9e64cc9572b43afcbcd2d004538db435f2cd0587 (diff) | |
| download | op-kernel-dev-2f1eb65f366b81aa3c22c31e6e8db26168777ec5.zip op-kernel-dev-2f1eb65f366b81aa3c22c31e6e8db26168777ec5.tar.gz | |
xfrm: Flushing empty SPD generates false events
To see the effect make sure you have an empty SPD.
On window1 "ip xfrm mon" and on window2 issue "ip xfrm policy flush"
You get prompt back in window2 and you see the flush event on window1.
With this fix, you still get prompt on window1 but no event on window2.
Thanks to Alexey Dobriyan for finding a bug in earlier version
when using pfkey to do the flushing.
Signed-off-by: Jamal Hadi Salim <hadi@cyberus.ca>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/xfrm/xfrm_user.c')
| -rw-r--r-- | net/xfrm/xfrm_user.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/net/xfrm/xfrm_user.c b/net/xfrm/xfrm_user.c index cd94a9d..ee04e6b 100644 --- a/net/xfrm/xfrm_user.c +++ b/net/xfrm/xfrm_user.c @@ -1679,8 +1679,12 @@ static int xfrm_flush_policy(struct sk_buff *skb, struct nlmsghdr *nlh, audit_info.sessionid = NETLINK_CB(skb).sessionid; audit_info.secid = NETLINK_CB(skb).sid; err = xfrm_policy_flush(net, type, &audit_info); - if (err) + if (err) { + if (err == -ESRCH) /* empty table */ + return 0; return err; + } + c.data.type = type; c.event = nlh->nlmsg_type; c.seq = nlh->nlmsg_seq; |
