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| author |   Jason Wang <jasowang@redhat.com> | 2016-11-30 13:17:51 +0800 |
|---|---|---|
| committer |   David S. Miller <davem@davemloft.net> | 2016-11-30 15:06:01 -0500 |
| commit | af1cc7a2b86ddb8668ac38097866bedd7b849a76 (patch) | |
| tree | 2bf4382bcca7c8ce0e04e5395436c620cbcd0de2 /tools/perf/scripts/python/export-to-postgresql.py | |
| parent | net: ethernet: ti: cpsw: fix ASSERT_RTNL() warning during resume (diff) | |
| download | wireguard-linux-af1cc7a2b86ddb8668ac38097866bedd7b849a76.tar.xz wireguard-linux-af1cc7a2b86ddb8668ac38097866bedd7b849a76.zip | |
tun: handle ubuf refcount correctly when meet errors
We trigger uarg->callback() immediately after we decide do datacopy
even if caller want to do zerocopy. This will cause the callback
(vhost_net_zerocopy_callback) decrease the refcount. But when we meet
an error afterwards, the error handling in vhost handle_tx() will try
to decrease it again. This is wrong and fix this by delay the
uarg->callback() until we're sure there's no errors.
Reported-by: wangyunjian <wangyunjian@huawei.com>
Signed-off-by: Jason Wang <jasowang@redhat.com>
Acked-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'tools/perf/scripts/python/export-to-postgresql.py')
0 files changed, 0 insertions, 0 deletions