diff options
| author | Jason Wang <[email protected]> | 2016-11-30 05:17:51 +0000 |
|---|---|---|
| committer | David S. Miller <[email protected]> | 2016-11-30 20:06:01 +0000 |
| commit | af1cc7a2b86ddb8668ac38097866bedd7b849a76 (patch) | |
| tree | 2bf4382bcca7c8ce0e04e5395436c620cbcd0de2 /scripts/gcc-plugins/sancov_plugin.c | |
| parent | net: ethernet: ti: cpsw: fix ASSERT_RTNL() warning during resume (diff) | |
| download | kernel-af1cc7a2b86ddb8668ac38097866bedd7b849a76.tar.gz kernel-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 <[email protected]>
Signed-off-by: Jason Wang <[email protected]>
Acked-by: Michael S. Tsirkin <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
Diffstat (limited to 'scripts/gcc-plugins/sancov_plugin.c')
0 files changed, 0 insertions, 0 deletions