openvswitch: Fix double reporting of drops in dropwatch

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Frames sent to userspace can be reported as dropped in
ovs_dp_process_packet, however, if they are dropped in the netlink code
then netlink_attachskb will report the same frame as dropped.

This patch checks for error codes which indicate that the frame has
already been freed.

Signed-off-by: Mike Pattrick <mkp@redhat.com>
Link: https://bugzilla.redhat.com/show_bug.cgi?id=2109946
Signed-off-by: David S. Miller <davem@davemloft.net>

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Mike Pattrick 2022-08-17 11:06:34 -04:00 • committed by David S. Miller

parent 5b247d938f

commit 1100248a5c

1 changed files with 10 additions and 3 deletions

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net/openvswitch/datapath.c

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