diff options
author | Reiter Wolfgang <wr0112358@gmail.com> | 2017-01-03 01:39:10 +0100 |
---|---|---|
committer | Ben Hutchings <ben@decadent.org.uk> | 2017-03-16 02:18:55 +0000 |
commit | ad998a401c7587af111e3683138e96a275ff29ae (patch) | |
tree | 05c5d94defb4938e610861abeb23766b12542c38 /net | |
parent | cf7688c4525b760159094f04111455d3d34ef840 (diff) |
drop_monitor: consider inserted data in genlmsg_end
[ Upstream commit 3b48ab2248e61408910e792fe84d6ec466084c1a ]
Final nlmsg_len field update must reflect inserted net_dm_drop_point
data.
This patch depends on previous patch:
"drop_monitor: add missing call to genlmsg_end"
Signed-off-by: Reiter Wolfgang <wr0112358@gmail.com>
Acked-by: Neil Horman <nhorman@tuxdriver.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
Diffstat (limited to 'net')
-rw-r--r-- | net/core/drop_monitor.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/net/core/drop_monitor.c b/net/core/drop_monitor.c index 4458edeecfd7..32b2fa449d77 100644 --- a/net/core/drop_monitor.c +++ b/net/core/drop_monitor.c @@ -104,7 +104,6 @@ static struct sk_buff *reset_per_cpu_data(struct per_cpu_dm_data *data) } msg = nla_data(nla); memset(msg, 0, al); - genlmsg_end(skb, msg_header); goto out; err: @@ -114,6 +113,13 @@ out: swap(data->skb, skb); spin_unlock_irqrestore(&data->lock, flags); + if (skb) { + struct nlmsghdr *nlh = (struct nlmsghdr *)skb->data; + struct genlmsghdr *gnlh = (struct genlmsghdr *)nlmsg_data(nlh); + + genlmsg_end(skb, genlmsg_data(gnlh)); + } + return skb; } |