From: Neil Horman <nhor...@tuxdriver.com> Date: Tue, 3 Jan 2017 11:04:43 -0500
> On Tue, Jan 03, 2017 at 09:54:19AM -0500, David Miller wrote: >> From: Reiter Wolfgang <wr0112...@gmail.com> >> Date: Tue, 3 Jan 2017 01:39:10 +0100 >> >> > 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 <wr0112...@gmail.com> >> >> I don't understand why the current code doesn't work properly. >> >> All over the tree, the pattern is: >> >> x = genlmsg_put(skb, ...); >> ... >> genlmsg_end(skb, x); >> >> And that is exactly what the code is doing right now. >> > > Because reset_per_cpu_data should close the use of of the established skb > that was being written to. Without this patch we add the END tlv to the skb > that is just getting started for use in the drop monitor, rather than for the > skb that is getting returned for use in sending up to user space listeners. > > Or am I missing something? That's the critical part I didn't see, thanks for explaining. Applied and queued up for -stabel, thanks.