Yunjian Wang cf7dd7f3be vhost_net: fix ubuf refcount incorrectly when sendmsg fails ... [ Upstream commit 01e31bea7e622f1890c274f4aaaaf8bccd296aa5 ] Currently the vhost_zerocopy_callback() maybe be called to decrease the refcount when sendmsg fails in tun. The error handling in vhost handle_tx_zerocopy() will try to decrease the same refcount again. This is wrong. To fix this issue, we only call vhost_net_ubuf_put() when vq->heads[nvq->desc].len == VHOST_DMA_IN_PROGRESS. Fixes: bab632d69e ("vhost: vhost TX zero-copy support") Signed-off-by: Yunjian Wang <wangyunjian@huawei.com> Acked-by: Willem de Bruijn <willemb@google.com> Acked-by: Michael S. Tsirkin <mst@redhat.com> Acked-by: Jason Wang <jasowang@redhat.com> Link: https://lore.kernel.org/r/1609207308-20544-1-git-send-email-wangyunjian@huawei.com Signed-off-by: Jakub Kicinski <kuba@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>		2021-01-12 20:10:19 +01:00
..
Kconfig
Kconfig.vringh
Makefile
net.c	vhost_net: fix ubuf refcount incorrectly when sendmsg fails	2021-01-12 20:10:19 +01:00
scsi.c	vhost: scsi: add weight support	2019-08-04 09:30:55 +02:00
test.c	vhost/test: stop device before reset	2020-01-27 14:51:19 +01:00
test.h
vhost.c	vhost: make sure log_num < in_num	2019-09-16 08:22:25 +02:00
vhost.h
vringh.c	vringh: fix __vringh_iov() when riov and wiov are different	2020-11-05 11:08:53 +01:00
vsock.c	vsock/virtio: add transport parameter to the virtio_transport_reset_no_sock()	2020-10-07 08:00:05 +02:00